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Rhabdom is a part of:
1. the compound eye of an arthropod
2. the protonepohridia of flatworms
3. the second stage larva of mollusks
4. water vascular system of echinoderms

The guts of cow and buffalo possess:
1. Chlorella spp.
2. Methanogens
3. Cyanobacteria
4. Fucus spp.

Which one of the following pair of animals comprises 'jawless fishes'?
1. Lampreys and eels
2. Mackerals and rohu
3. Lampreys and hagfishes
4. Guppies and hagfishes

Angiosperms have dominated the land flora primarily because of their:
1. Property of producing a large number of seeds
2. Nature of self-pollination
3. Domestication by man
4. Power of adaptability in diverse habitat 

Match the following group of organisms with their respective distinctive characteristics and select the correct option:

Organisms that obtain energy by the oxidation of reduced inorganic compounds are called:
1. Photo autotrophs
2. Chemo autotrophs
3. Saprozoic
4. Coproheterotrophs

Which of the following statements are true for the phylum-Chordata?

1. (c) and (a)
2. (a) and (b)
3. (b) and (c)
4. (d) and (c)

Chrysophytes, Euglenoids, Dinoflagellates and slime moulds are included in the kingdom:
1. Animalia
2. Monera
3. Protista
4. Fungi

Bacterial flagella are formed of
1. Amines
2. Proteins
3. Lipids
4. Carbohydrates

In the life cycle haploid organisms like the green alga Spirogyra:
1. sexual reproduction cannot take place
2. meiosis never occurs
3. gametes are produced by mitosis
4. spores undergo meiosis

Phylogenetic system of classification is based on:
1. evolutionary relationships
2. morphological features
3. chemical constituents
4. floral characters

Which of the following taxonomic category is less general in characters as compared to the taxonomic category ‘Genus’?

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

Lichens are a well-known combination of an alga and a fungus where the fungus has:
1. An epiphytic relationship with the alga
2. A parasitic relationship with the alga
3. A symbiotic relationship with the alga
4. A saprophytic relationship with the alga

An asymmetric flower is seen in:
1. Mustard
2. Pea
3. Cassia
4. Canna

Which one of the following is a xerophytic plant in which the stem is modified into a flat green and succulent structure:
1. Casuarina
2. Hydrilla
3. Acacia
4. Opuntia

Which one of the following categories of animals, is correctly described with no single exception in it?

How many plants in the list given below have marginal placentation?
Mustard,  Gram,  Tulip,  Asparagus, Arhar, Sun hemp, Chilli, Colchicine, Onion, Moong, Pea, Tobacco, Lupin
1.  Five 
2.  Six 
3.  Three 
4.  Four 

The floral diagram shown in the given figure can represent the flowers of:

1. Sun hemp
2. Mustard
3. Belladonna
4. Tulip

Ovary is half-inferior in the flowers of:
1. guava
2. plum
3. brinjal
4. cucumber

The figure shows four animals (a), (b), (c) and (d). Select the correct answer with respect to a common characteristic of two of these animals:

(a)		(b)
(c)		(d)

1. (c) and (d) have a true coelom
2. (a) and (d) respire mainly through body wall
3. (b) and (c) show radial symmetry
4. (a) and (b) have cnidoblasts for self-defence

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:
1. Vexillary
2. Imbricate
3. Twisted
4. Valvate

A competitive inhibitor of succinic dehydrogenase is
1. malonate
2. oxaloacetate
3. α-ketoglutarate
4. malate
 

Choose the correctly matched pair:
1. Tendon-Specialized connective tissue
2. Adipose tissue-Dense connective tissue
3. Areolar tissue- Loose connective tissue
4. Cartilage- Loose connective tissue

Identify the incorrect statement regarding development in cockroach?
1. Development is holometabolous
2. The nymph moults about 13 times
3. The next to last nymphal stage has wing pads
4. Only adult cockroaches have wings

The shorter and longer arms of submetacentric chromosome are referred to as:
1. m-arm and n-arm respectively
2. s-arm and l-arm respectively
3. p-arm and q-arm respectively
4. q-arm and p-arm respectively

The transverse section of a plant shows following anatomical features:

Identify the category of plant and its part : 
1. Monocotyledonous root 
2. Dicotyledonous stem 
3. Dicotyledonous root 
4. Monocotyledonous stem 

Regeneration of damaged growing grass following grazing is largely due to:
1. Lateral meristem
2. Apical meristem
3. Intercalary meristem
4. Secondary meristem

Which of the following pair of organelles does not contain DNA?
1. Nuclear envelope and Mitochondria
2. Mitochondria and Lysosomes
3. Chloroplast and Vacuoles
4. Lysosomes and vacuoles

The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is:
1. cuboidal
2. glandular
3. ciliated
4. squamous

Lenticels are involved in:
1. Gaseous exchange
2. Food transfer
3. Photosynthesis
4. Transpiration

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?
1. Peroxisomes
2. Golgi bodies
3. Polysomes
4. Endoplasmic reticulum

The blood concentration of blood glucose in a normal healthy human ranges between:
1. 4.5 – 5.0 mM
2. 45 – 50 mM
3. 70 – 100 nM
4. 100 – 150 mM

What is the meristematic tissue that arises within the cortex during secondary growth called?
1. Pith meristem
2. Cortex cambium
3. Cork cambium
4. Vascular cambium

Identify the incorrect statement regarding the blood vascular system of cockroach:
1. Blood vessels are poorly developed and open into hemocoel
2. The hemolymph is composed of colorless plasma and hemocytes
3. Heart lies along the mid-ventral line of thorax and abdomen
4. Blood from sinuses enter heart through ostia

Lignin is most likely to be found in the secondary walls of:
1. Parenchyma
2. Collenchyma
3. Sclerenchyma
4. Epidermis

The famous aphorism ‘omnis cellula-e cellula’ was added to the cell theory in 1855 by:
1. Matthias Schleiden
2. Theodor Schwann
3. Rudolph Virchow
4. Robert Brown

In a plant cell, calcium pectate, is the main constituent of:
1. Primary cell wall
2. Secondary cell wall
3. Middle lamella
4. Cell membrane

Which stage of meiotic prophase shows terminalisation of chiasmata as its distincitve feature?
1. Diakinesis
2. Pachytene
3. Leptotene
4. Zygotene

Identify the incorrect statement regarding the catalytic cycle of an enzyme:
1. Substrate binds to an active site
2. The enzyme is induced fit onto the substrate
3. A new enzyme-product complex is formed
4. Enzyme releases the product and is used up in the reaction

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

Match each item in Column I with one in Column II and select the correct answer from the codes given:

Codes

Cells that do not divide further exit the cell cycle from the:
1. G₀ phase
2. G₁ phase
3. S phase
4. G₂ phase

During which stage of the mitotic division the following events take place:
I. Chromosome cluster at opposite poles and their identity is lost as discrete elements
II. Nucleolus, ER and Golgi reform
1. Early prophase
2. Late prophase
3. Anaphase
4. Telophase

Consider the given two statements:
I. The living state and metabolism are synonymous.
II. Living state is a non-equilibrium steady-state to be able to perform work.
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect

Enzymes that catalyze the removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds are:
1. Hydrolases
2. Lyases
3. Ligases
4. Transferases