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Biology (GATE)

Comprehensive Biology GATE preparation covering photosynthesis, plant morphology, microbiology, respiratory system, vitamins, and animal diversity

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following are examples of C4 plants?

  1. Crassula ovata
  2. Zea mays
  3. Saccharum officinarum
  4. Hordeum vulgare
  5. Oryza sativa
  1. Both 1 and 3
  2. Both 1 and 5
  3. Both 2 and 3
  4. Both 2 and 5
  5. Both 3 and 4
Question 2 Multiple Choice (Single Answer)

Which of the following pairs is incorrectly matched?

  1. Emerson and Arnold - Existence of light and dark reactions in photosynthesis
  2. Engelmann - Chloroplasts as the site of photosynthesis
  3. Hatch and Slack - C3 pathway for CO2 fixation
  4. Ruben and Kamen - Oxygen comes from water in photosynthesis
  5. Peter Mitchell - Chemiosmotic hypothesis of ATP synthesis in light reaction
Question 3 Multiple Choice (Single Answer)

Identify the false statements.

P. The source of energy for dark reaction is ATP synthesised in light reaction.
Q. The reaction centre of PS I is P700.
R. PS I participates only in cyclic phosphorylation.
S. Dark reaction occurs on the outer surface of thylakoids.

  1. Both P and Q
  2. Both P and S
  3. Both Q and R
  4. Both R and S
  5. Both Q and S
Question 4 Multiple Choice (Single Answer)

Identify the mismatched pairs.

  1. Clostridium - Petritrichous
  2. Nitrosomonas - Monotrichous
  3. Pseudomonas - Amphitrichous
  4. Spirillum - Lophotrichous
  1. Both 1 and 2
  2. Both 1 and 4
  3. Both 2 and 3
  4. Both 2 and 4
  5. Both 3 and 4
Question 5 Multiple Choice (Single Answer)

Which of the following are underground modifications of stem?

  1. Potato
  2. Sweet potato
  3. Carrot
  4. Ginger
  1. Both 1 and 2
  2. Both 1 and 4
  3. Both 2 and 3
  4. Both 2 and 4
  5. Both 3 and 4
Question 6 Multiple Choice (Single Answer)

Match the following:

 
Column – I 
        </strong>|<strong>Column &#x2013; II</strong>|

|A. Cucumber|1. Aggregate fruit|
|B.Orange|2. Hesperidium fruit|
|C. Raspberry|3. Accessory fruit|
|D. Strawberry|4. Pepo fruit|

  1. A - 1, B - 2, C - 3, D - 4
  2. A - 4, B - 3, C - 2, D - 1
  3. A - 1, B - 3, C - 2, D - 4
  4. A - 4, B - 2, C - 1, D - 3
  5. A - 4, B - 2, C - 3, D - 1
Question 7 Multiple Choice (Single Answer)

Identify the mismatched pair.

  1. Beriberi - Vitamin B1
  2. Cheilosis - Vitamin B2
  3. Pellagra - Vitamin B3
  4. Pernicious anaemia - Vitamin B6
  5. Scurvy - Vitamin C
Question 8 Multiple Choice (Single Answer)

Match the following:

 
Column – I 
        </strong>|<strong>Column &#x2013; II</strong>|

|A. Vital Capacity|1. TV+IRV|
|B. Inspiratory Capacity|2. TV+IRV+ERV|
|C. Functional Residual Capacity|3. TV+IRV+ERV+RV|
|D. Total Lung Capacity|4. RV+ERV|

  1. A - 4, B - 3, C - 2, D - 1
  2. A - 2, B - 1, C - 4, D - 3
  3. A - 2, B - 1, C - 3, D - 4
  4. A - 3, B - 2, C - 4, D - 1
  5. A - 1, B - 2, C - 3, D - 4
Question 9 Multiple Choice (Single Answer)

Flowers are actinomorphic in

  1. mustard, datura and chilli
  2. pea, gulmohur and bean
  3. mustard, gulmohur and bean
  4. pea, datura and chilli
  5. pea, chilli and mustard
Question 10 Multiple Choice (Single Answer)

Parietal placentation is found in

  1. tomato and lemon
  2. dianthus and primrose
  3. mustard and prgemone
  4. sunflower and marigold
  5. pea and china rose
Question 11 Multiple Choice (Single Answer)

Match the following:

 
Column - I Column - II
P. Stearic acid 1. Unsaturated fatty acid
Q. Aspartic acid 2. Acidic amino acid
R. Phenylalanine 3. Aromatic amino acid
S. Palmitoleic acid 4. Saturated fatty acid
  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 1; Q - 3; R - 2; S - 4
  3. P - 2; Q - 1; R - 4; S - 3
  4. P - 3; Q - 2; R - 1; S - 4
  5. P - 4; Q - 2; R - 3; S - 1
Question 12 Multiple Choice (Single Answer)

Match the following:

 
Column – I 
        </strong>|<strong>Column &#x2013; II</strong>|

|P. Valvate|1. Cassia|
|Q. Twisted|2. Pea|
|R. Imbricate|3. Calotropis|
|S. Vexillary|4. Cotton|

  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 2; Q - 1; R - 4; S - 3
  3. P - 3; Q - 2; R - 1; S - 4
  4. P - 3; Q - 4; R - 1; S - 2
  5. P - 4; Q - 3; R - 2; S - 1
Question 13 Multiple Choice (Single Answer)

Match the following:

 
Column – I 
        </strong>|<strong>Column &#x2013; II</strong>|

|A. Actinomycin|1. Streptomyces rimosus|
|B. Tetramycin|2. Streptomyces antibioticus|
|C. Dextran|3. Corynebacterium glutamicum|
|D. Lysine|4. Leuconostoc mesenteroides|

  1. A - 1, B - 2, C - 3, D - 4
  2. A - 2, B - 1, C - 3, D - 4
  3. A - 2, B - 1, C - 4, D - 3
  4. A - 3, B - 2, C - 4, D - 1
  5. A - 4, B - 3, C - 2, D - 1
Question 14 Multiple Choice (Single Answer)

Match the following:

 
Column – I Column – II
A. Platyhelminthes 1. Flame cells
B. Ctenophora 2. Nephridia
C. Annelida 3. Comb plates
D. Coelentrata 4. Cnidoblasts
  1. A - 1; B - 2; C - 3; D - 4
  2. A - 1; B - 3; C - 2; D - 4
  3. A - 2; B - 3; C - 4; D - 1
  4. A - 3; B - 1; C - 4; D - 2
  5. A - 3; B - 2; C - 4; D - 1
Question 15 Multiple Choice (Single Answer)

Assertion (A): In pernicious anaemia, the size of RBC decreases, but their number increases in blood.
Reason (R): It is caused due to deficiency of vitamin B12.

Directions: In the following question, there are two statements: Assertion (A) and Reason (R). Consider both the statements independently and mark your answer as

1. if A and R both are correct and R is correct explanation of A
2. if A and R both are correct and R is not correct explanation of A
3. if A is correct and R is incorrect 
4. if A is incorrect and R is correct 
5. if A and R both are incorrect

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
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