Identify the incorrect statement:
1. | Biological names are generally in Latin and written in italics. They are Latinised or derived from Latin irrespective of their origin. |
2. | The first word in a biological name represents the genus while the second component denotes the specific epithet. |
3. | Both the words in a biological name, when handwritten, are separately underlined, or printed in italics to indicate their vernacular origin. |
4. | The first word denoting the genus starts with a capital letter while the specific epithet starts with a small letter. |
Identify the incorrect statement:
1. | Numerical Taxonomy is based on all observable characteristics. |
2. | More weightage is given to reproductive characters and all other characters are given equal importance in numerical taxonomy. |
3. | Cytotaxonomy is based on cytological information like chromosome number, structure, behaviour |
4. | Chemotaxonomy uses the chemical constituents of the plant |
A couple has a daughter. What is the probaility that their next child will be a daughter?
(1) 0 %
(2) 25 %
(3) 50 %
(4) 100 %
Introduction of Lates niloticus led to the extinction of
1. Gambusia
2. Pupfish
3. Cichild fish
4. Chinook salmon
In photosynthesis, the light-independent reactions take place at
1. thylakoid lumen
2. photosystem l
3. photosystem ll
4. stromal matrix
Removal of introns and joining of exons in a defined order during transcription is called
(1) looping
(2) inducing
(3) capping
(4) splicing
Study the four statements (1-4) given below and select the two correct ones out of them.
(1) A lion eating a deer and a sparrow feeding on grain are ecologically similar in being
consumers
(2) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates
(3) Predators ultimately lead to the extinction of prey species
(4) Production of chemicals such as nicotine, strychnine by the plants are metabolic
disorders
The two correct statements are
1. (2) and (3)
2. (3) and (4)
3. (1) and (4)
4. (1) and (2)
Two genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridised, then F2 segregation will show :
(1) higher number of the recombinant types
(2) segregation in the expected 9 : 3 : 3 : 1 ratio
(3) segregation in 3 : 1
(4) higher number of the parental types
In the lac operon model, lactose molecules function as:-
(1) inducers, which bind with the operator
gne
(2) repressors, which bind with the operator
gene
(3) inducers, which bind with the repressor
protein
(4) corepressors, which bind with repressors
protein
What does the given pedigree chart shows?
(1) Sex-linked recessive trait
(2) Sex-linked dominant trait
(3) Inheritance of Sickle cell anaemia
(4) Inheritance of autosomal dominant trait
ATP synthesis is linked to-
1. Development of electron gradient
2. Development of atomic gradient
3. Development of proton gradient
4. Flow of electrons across the membrane
In TS of dicotyledonous stem the cells arranged in multiple layers between epidermis and Pericycle constitute the ___________.
(1) Cortex
(2) Pith
(3) Pericycle apparatus
(4) Medullary rays
Felidae and canidae are included in the order-
a. Carnivora
b. Primata
c. Diptera
d. Poals
A cell cycle includes:
1. Interphase + M-phase / divisional phase
2. Prophase + Metaphase + Anaphase + Telophase
3. G1 + S + G2 – phase
4. Karyokinesis + Cytokinesis
Which of the following diseases cannot be cured by antibiotics?
(1) Kali khansi
(2) Gal Ghotu
(3) Kusht rog
(4) Cancer
The biogas plants are found in
(1) More in urban areas
(2) More in rural areas
(3) More in Delhi
(4) Cannot be estimated
Respiration is
(1) Breaking of a type of bonds like ionic or non ionic of complex compounds through oxidation within the cell by utilizing bulk of energy
(2) Breaking of C-C bonds of simple molecules through hydrolysis within the cell by releasing energy
(3) Breaking of C-C bonds of complex molecules through oxidation within the cell to release considerable amount of energy
(4) Breaking of C-C bonds of complex molecules through hydrolysis within the cell by releasing energy
The source of phosphorus in conversion of PGAL to BPGA is
(1) Inorganic Phosphate
(2) ATP
(3) ADP
(4) AMP
Oxidation of FADH2 actually involves except
(1) Complex I
(2) Complex II
(3) Complex III
(4) Complex IV
The Discovery of PGRs
1.Four discovery were accidental one was with a planned experiment
2.Three discovery were accidental Two were with a planned experiment
3.Two discovery were accidental Three were with a planned experiment
4.All five we're accidental
Phototropism is firstly studied by
1.Charles Darwin and his son Francis Darwin
2.Charles Darwin and his friend Francis Darwin
3.Charles Darwin and his brother Francis Darwin
4.Charles Darwin and his colleague Francis Darwin
The members of Chlorophyceae-
(1) are not Green algae
(2) are not unicellular, colonial, or filamentous plant body
(3) do not have pigments chlorophyll a and b
(4) have pigments localised in the chloroplast
Phyllotaxy is
(1) Pattern of arrangement of leaves on the stem or branch
(2) Pattern of arrangement of petals on the stem or branch
(3) Pattern of arrangement of sepals on the flower
(4) Pattern of arrangement of perianth on the flower
The types of inflorescence are - Racemose and Cymose.
What is the basis of such classification?
1. The growth of pedicel
2. The growth of thalamus
3. The growth of main axis
4. The growth of leaves
Adhesion in flower is represented by
(1) By enclosing in brackets
(2) By drawing a line over the floral part symbols
(3) By underlining it
(4) By explain the mother axis
Asexual spored in brown algae are
1. Non-motile sporangiospore.
2. Biflagellated zoospores with two equal flagella.
3. Quadriflagellated zoospores with thick cell walls.
4. Biflagellated zoospores with two unequal lateral flagella.
Select the correctly written complete scientific name of Mango which was first described by Carolus Linnaeus:
1. Mangifera Indica
2. Mangifera indica Car. Linn.
3. Mangifera indica Linn.
4. Mangifera indica
A. _______ hormone is most widely used PGR in
agriculture.
B. _______ hormone is related with Richmond Lang
effect.
A B
1. Auxin CK
2. Auxin GA
3. Ethylene CK
4. ABA CK
In mature pollen grain, vegetative cell differs from
generative cell as the former
1. Floats in the cytoplasm of generative cell.
2. Is smaller in size.
3. Is spindle shaped with dense cytoplasm.
4. Have abundant food reserve and large nucleus
Which of the following steps in transcription is catalysed by RNA polymerase?
1. Initiation
2. Elongation
3. Termination
4. All of the above
Majority of plants:
1. | Use abiotic agents for pollination |
2. | Use biotic agents for pollination |
3. | Do not use any agent for pollination |
4. | Use both abiotic and biotic agents for pollination. |
Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?
1. | Endemic | 2. | Vulnerable |
3. | Threatened | 4. | Keystone |
Baculoviruses does not show
1 Host specificity
2 Narrow spectrum applications
3 Effects on non-target pathogens
4 Utility in IPM programme
Pick the odd one out
1. Glyoxysome - oxidation of fatty acid
2. Peroxisome - Enzyme for peroxide synthesis
3. Spahaerosome - Synthesise and storage of fats
4. Mitochondria - Absence of enzymes on outer membrane
In majority of sac fungi, asexual reproduction occurs commonly through conidia which is
1. Thick walled and always uninucleate
2. Formed on erect hypha called as sporangiophore
3. Produced exogenously and thin walled
4. Non-motile and dispersed by insects
Cross pollination is encouraged if
1. Flower is self fertile
2. Homogamy is present
3. Flower is dioecious
4. Flowers are hermaphrodite
Which is not true of sclereids?
1. Found in shells of nuts, pulp of guava and pear
2. Constituent of sclerenchyma
3. Group of living cells
4. Stone cells
Identify a secondary consumer amongst the following:
1. | a carnivore | 2. | a herbivore |
3. | a plant | 4. | All of the above |
Which of the following is not a significance of mitosis?
1. It restores the effective nuclear cytoplasmic ratio of the cell
2. The growth in multicellular organisms
3. It results in daughter cells genetically distinct from parent cell
4. Cell repair
1. | Ascomycetes | 2. | Phycomycetes |
3. | Basidiomycetes | 4. | Deuteromycetes |
Assertion (A): | Some dinoflagellates such as Gonyaulax causes red tide |
Reason (R): | Dinoflagellates are photosynthetic protists and mostly marine |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |
A: | It is said that Detritus food chain may be connected to grazing food chain at some levels. |
B: | Some of the organisms of DFC are prey to the GFC animals. |
1. | Both A and B are correct and B is correct explanation of A |
2. | Both A and B are correct but B is not correct explanation of A |
3. | Only B is correct, A is incorrect |
4. | Only A is correct, B is incorrect |
Assertion (A): | Cork prevents the loss of water by evaporation |
Reason (R): | Cork cells are dead cells |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
(P) | (E) | |
1. | (i), (iii), (v) | (ii), (iv) |
2. | (i), (iii), (iv) | (ii), (v) |
3. | (ii), (v) | (i), (iii), (iv) |
4 | (ii), (iii) | (i), (iv), (v) |
A | B | |
1 | Anaphase II | Anaphase I |
2 | Anaphase I | Anaphase II |
3 | Metaphase I | Anaphase II |
4 | Metaphase II | Metaphase I |
The normal value of GFR is approximately:
1. 650 ml/min
2. 180 ml/min
3. 180 ml/day
4. 125 ml/min
A childless couple can be assisted to have a child through a technique called GIFT. The
full form of this technique is
1. Gamete Inseminated Fallooian Transfer
2. Gamete Intra Fallopian Transfer
3. Gamete Internal Fertilization and Transfer
4. Germ Cell Internal Fallopian Transfer
The function of the gap junction is to
1. performing cementing to keep neighbouring cells together
2. faciliate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules
3. seperate two cells from each other
4. stop substance from leaking across a tissue
Choose the correctly matched pair.
(1) Inner lining of salivary ducts-Ciliated epithelium
(2) Moist surface of buccal cavity-Glandular epithelium
(3) Tubular parts of nephrons-Cuboidal epithelium
(4) Inner surface of bronchioles-Suqamous epithelium
Select the correct matching of the type of the joint with the example in human skeletal
system
Types of joint Example
1. Cartilaginous joint Between frontal and parietal
2. Pivot joint Between third and fourth Cervical vertebrae
3. Hinge joint Between humerus and pectoral girdle
4. Gliding joint Between carpals
Which one of the following pairs of hormones are the examples of those that can easily
pass through the cell membrane of the target cell and bind to a receptor inside it (mostly
in the nucleus)?
1. Insulin and glucagon
2. Thyroxin and insulin
3. Somatostatin and oxytocin
4. Cortisol and testosterone
Which of the following is not a character of cancerous cells in our body ?
1. Contact inhibition
2. Neoplasia
3. Metastasis
4. Inability for differentiation
Choose the correct statements:
I. According to the WHO, reproductive health is total well-being in the physical, social, emotional, behavioural aspects of reproduction
II. According to the WHO, reproductive health is total well being only in the social and emotional aspects of reproduction.
III. A reproductively healthy society has people with physically and functionally normal reproductive organs
IV. Reproductively healthy societies have abnormal sex-related emotional and behavioural interactions
1. I, II, III
2. II, IV
3. I, III
4. I
Epithelium consisting of more than one layer stacked one over the another is :
(1) Columnar
(2) Cuboidal
(3) Compound
(4) Both (1) and (3)
An American company which synthesized the DNA sequences for insulin was
(1) Eli lity
(2) Eili Lily
(3) Ele Lily
(4) Eli Lilly
Which of the following statements is incorrect?
1. A new ATP binds and cross-bridge is broken with the next cycle of contraction
2. The process of contraction continues till the calcium ions are pumped back to the sarcoplasmic cisternae and resulting in the unmasking of actin Filaments
3. The reaction time of the fibres can vary in different muscles
4. Both 1 and 3
Which of the following is not associated with ANS?
(1) Sympathetic neural system
(2) Parasympathetic neural system
(3) Somatic Neural system
(4) Both B and C
Visceral nervous system is
(1) A part of PNS
(2) Made up of nerves, Fibres, Ganglia and Plexuses
(3) Transmit information from CNS to the viscera and viscera to CNS
(4) All of these
Hypothalamus is
(1) At the base of thalamus
(2) A part of midbrain
(3) Controls communication, memory
(4) All of these
Which of the following factors are favourable for the shifting of Oxyhaemoglobin dissociation Curve to the left side
1. High pO2
2. Low pCO2
3. less H+ Concentration
4. All of these
Hypertensives are advised not to consume large amounts of salt [NaCl]. Because if they do:
1. | Blood osmolarity increases and ADH causes the kidneys to reabsorb more water. |
2. | Blood osmolarity decreases and ADH causes the kidneys to reabsorb more water. |
3. | Blood osmolarity decreases and ADH causes the kidneys to reabsorb less water. |
4. | Blood osmolarity increases and ADH causes the kidneys to reabsorb less water. |
How many of the following organised endocrine glands are present in humans?
Pancreas, Thymus, Adrenal, Testes, Kidney, GIT, Heart, Ovary, Pituitary, Thyroid
1. 10
2. 7
3. 6
4. 4
The length of which of the following regions shown in the given diagram of a sarcomere remains unchanged during muscle contraction?
1. 1
2. 2
3. 7
4. 6
How many of the following is not the member of Mollusca?
Sea hare, Sea cucumber, Sea lily, Sea urchin, Sea-pen, Sea fan, Sea anemone
1. 7
2. 6
3. 1
4. 4
The Cofactor present in the Enzyme Catalase is
1. NADP
2. NAD
3. Haem
4. Zn
Which of the following is not a plasmid?
1. | pSC101 | 2. | pUC18 |
3. | BamHI | 4. | pBR322 |
A protoxin is:
1. | A primitive toxin | 2. | A denatured toxin |
3. | Toxin produced by protozoa | 4. | Inactive toxin |
Bryophytes evolved from:
1. Chlorophyte ancestors
2. Tracheophyte ancestors
3. Rhynia-type plants
4. Psilophytons
Choose the correct statement regarding the ZIFT
Procedure
1. Ova is collected from the female donor and
transferred to the Fallopian tube to facilitate zygote
formation
2. Zygote is collected from a female donor and
transferred to Fallopian tube
3. Zygote is collected from a female donor and
transferred to the uterus
4. Ova is collected from a female donor and
transferred to the uterus
Which layer of uterus undergoes thickening under the influence of progesterone?
1. Perimetrium
2. Endometrium
3. Myometrium
4. Peritoneum
In a normal female, menstruation occurs if the released ovum is not fertilised. Lack of menstruation can be due to
A. Absence of pregnancy
B. Excessive stress
C. Poor health
1. Only A
2. Both B & C
3. Both A & B
4. A,B & C
Natural selection can lead to stabilisation, when more individuals acquire mean character value. This type of natural selection is called as
1. Stabilizing
2. Directional selection
3. Disruptive selection
4. Progressive selection
Which of the following drugs are used in the treatment of allergy and quickly reduce the symptoms of allergy?
A Antihistamines
B Adrenaline
C Steroids
D Chloroquine
1 A only
2 A & B
3 A, B & C
4 A, B, C & D
Which one is considered as molecular glue in recombinant DNA technology?
1. Endonuclease
2. DNA ligase
3. Polymerase
4. Alkaline phosphatase
About 65 mya, the dinosaurs suddenly disappeared from the earth. What could have been the possible causes for this mass extinction?
A. Many of them evolved into birds
B. Climatic changes killed them. This was due to ice age
C. A large meteorite hit the earth
D. They were endothermal
1. D only
2. A & B
3. A, B & C
4. C & D
Find the incorrect statement
1 Analogous organs are the result of convergent or parallel evolution in separate lineage
2 Evolution is stochastic process based on chance events in nature and chance mutations in organisms
3 The origin of seeds in the land plants was achieved about 140 million years ago by angiosperms
4 Variability of genes in gene pool is the raw material for evolutionary change
Which of the following is incorrect with respect to sea walnuts or comb jellies?
1. Eight external rows of ciliated comb plates
2. Digestion is both extracellular and intracellular
3. Well marked bioluminescence
4. Sexes are separate and internal fertilization
Which of the following statement is incorrect about Agrobacterium tumefaciens?
(1) It is natural genetic engineer
(2) It induces the formation of cancerous growth as crown gall tumor
(3) For genetic engineering Agrobacterium strains have been developed, from which tumor forming genes have been deleted
(4) It infects all crops as soyabean, sunflower, cereals, cotton, etc.
If the sequence of bases in one of the DNA strand is is A G G A G A A, then the sequence of bases in the other complementary strand of DNA would be
1. C C T T C T T
2. T C T C T C C
3. T C C T C T T
4. C C T C T C T
Match the following columns.
Column I |
Column II |
A. Epinephrine B. Testosterone C. Glucagon D. Atrial natriuretic factor |
1. Stimulates in muscle growth 2. Decrease in blood pressure 3. Breakdown of in liver glycogen 4. Increases heart beat |
Codes
Options: | A | B | C | D |
1. | 4 | 2 | 3 | 1 |
2. | 4 | 1 | 3 | 2 |
3. | 1 | 2 | 3 | 4 |
4. | 1 | 4 | 2 | 3- |
1. | Lecithin is a phospholipid |
2. | Proteins are the most abundant molecules in cell |
3. | Maltose is a disaccharide made up of glucose and galactose |
4. | Adrenaline and rubber are secondary metabolites of plant cells |
Assertion (A): | Earthworm and tapeworm both exhibit true metamerism. |
Reason (R): | Body of earthworm and tapeworm is divided into numerous segments since their embryonic life. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
1. | It possesses brush bordered columnar epithelium that assists in movement of mucus. |
2. | It brings the temperature of air upto the body temperature. |
3. | It conducts air from external nostrils upto bronchioles. |
4. | It makes the incoming air humid by providing moisture. |
A. | Leydig cells are located in interstitial spaces in testes. |
B. | Sertoli cells of seminiferous tubules provide nourishment to developing sperms. |