Match List -I with List-II
List - I | List - II |
a. Cedrus | (i) Pteridophyte |
b. Adiantum | (ii) Gymnosperm |
c. Sphagnum | (iii) Liverwort |
d. Marchantia | (iv) Moss |
Choose the correct answer from the options given below:
a. | b. | c. | d. | |
1. | (ii) | (iii) | (i) | (iv) |
2. | (iii) | (i) | (iv) | (ii) |
3. | (ii) | (i) | (iv) | (iii) |
4. | (iii) | (iv) | (ii) | (i) |
The products of light reaction in photosynthesis are:
1. ATP, NADPH and \(O_2\)
2. ATP, NADPH, \(O_2\) and \(H_2O\)
3. ATP, NADPH , and \(H_2O\)
4. ATP, NADPH , and \(CO_2\)
In prophase I of Meiosis, chromosomes start pairing together and synapsis takes place. This process occurs during which of the following stage?
1. | Pachytene | 2. | Diplotene |
3. | Leptotene | 4. | Zygotene |
Which of the following statements above facilitated diffusion is incorrect?
1. | Special proteins of the membrane help in this process |
2. | Porins are involved in this process |
3. | Movement of molecule the occurs against the concentration gradient |
4. | ATP is not required for this process |
Phloem sap in the plants mainly consists of :
1. | fructose and water | 2. | fructose and sucrose |
3. | glucose and water | 4. | sucrose and water |
Which hormone is used to induce immediate stomatal closure in leaves ?
1. | Cytokinin | 2. | Gibberellin |
3. | Abscisic Acid | 4. | Auxin |
Identify the correct set of statements with regard to properties of humus
(a) | Highly resistant to microbial action |
(b) | Dark-colored amorphous substance |
(c) | End product of detritus food chain |
(d) | Reservoir of nutrients |
(e) | Undergoes decomposition very fast |
Choose the correct answer from the options given below:
1. | (a), (b) and (d) only | 2. | (a),(b) and (e) only |
3. | (a) and (b) only | 4. | (b) , (c) and (a) |
Select the correct statements with respect to pleiotropism
(a) | A gene is said to be pleiotropy if it affects more than one trait |
(b) | Phenylketonuria is an example of pleiotropy |
(c) | A condition where one gene has several alleles is referred to as pleiotropism |
(d) | A trait is said to be pleiotropic if several genes control it |
Choose the correct answer from the options given below:
1. | (a) and (b) only | 2. | (a) and (d) only |
3. | (a), (b) and (c) only | 4. | (b) ,(c) and (d) only |
The living differentiated cells, that lost the capacity to divide anymore, can regain the capacity of division under certain conditions. This phenomenon is termed as
1. | Redifferentiation | 2. | Maturation |
3. | Differentiation | 4. | Dedifferentiation |
Identify the correct statements related to the androecium in the flower
(a) | The sterile stamens are called staminodes |
(b) | When stamens are attached to petals they are called epipetalous |
(c) | Monadelphy is seen in China-rose |
(d) | Polyadelphy is seen in Pea |
(e) | Variation in the length of anther filaments is seen in Mustard |
Choose the correct answer from the options given below:
1. | (a), (c), (d) and (e) only | 2. | (a) , (b), (c) and (e) only |
3. | (a) , (b) and (c) only | 4. | (b) , (c) and (d) only |