NEET Biology 2020 Questions and Answers( 71-81)

 71. Which of the following statements about inclusion bodies in incorrect?

(1) These are involved in ingestion of food particles

(2) They lie free in the cytoplasm

(3) These represent reserve material in cytoplasm

(4) They are not bound by any membrane

72. In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?

(1) Gross primary productivity is always more than net primary productivity

(2) Gross primary productivity and Net primary productivity are one and same

(3) There is no relationship between Gross primary productivity and Net primary


(4) Gross primary productivity is always less than net primary productivity

73. In water hyacinth and water lily, pollination takes place by :

(1) Water currents only

(2) Wind and water

(3) Insects and water

(4) Insects or wind

74. The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is 

(1) Root pressure 

(2) Imbibition 

(3) Plasmolysis 

(4) Transpiration

75. Select the correct statement.

 (1) Glucagon is associated with hypoglycemia. 

(2) Insulin acts on pancreatic cells and adipocytes.

 (3) Insulin is associated with hyperglycemia. 

(4) Glucocorticoids stimulate gluconeogenesis.

76. Which of the following is not an inhibitory substance governing seed dormancy?

(1) Abscisic acid 

(2) Phenolic acid

 (3) Para-ascorbic acid 

(4) Gibberellic acid

77. Match the trophic levels with their correct species examples in grassland ecosystem. 

(a) Fourth trophic level 

(i) Crow (b) Second trophic level 

(ii) Vulture (c) First trophic level

 (iii) Rabbit (d) Third trophic level 

 (iv) Grass

Select the correct option

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

(1) (iii) (ii) (i) (iv)

(2) (iv) (iii) (ii) (i)

(3) (i) (ii) (iii) (iv)

(4) (ii) (iii) (iv) (i)

78. The first phase of translation is

(1) Recognition of DNA molecule

(2) Aminoacylation of tRNA

(3) Recognition of an anti-codon

(4) Binding of mRNA to ribosome

79. Strobili or cones are found in

(1) Pteris

(2) Marchantia

(3) Equisetum

(4) Salvinia

80. Match the following columns and select the correct option.

Column-I                                   Column-II

(a) 6-15 pairs of gill slits          (i) Trygon

(b) Heterocercal caudal fin (ii) Cyclostomes

(c) Air Bladder                  (iii)Chondrichthyes

(d) Poison sting                (iv) Osteichthyes

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

(1) (iii) (iv) (i) (ii)

(2) (iv) (ii) (iii) (i)

(3) (i) (iv) (iii) (ii)

(4) (ii) (iii) (iv) (i)


71. (1) These are involved in ingestion of food particles

72. (1) Gross primary productivity is always more than net primary productivity

 73.  (4) Insects or wind

74. (4) Transpiration

75. (4) Glucocorticoids stimulate gluconeogenesis.

76. (1) Abscisic acid 

77. (4) (ii) (iii) (iv) (i)

78. (2) Aminoacylation of tRNA

79. (3) Equisetum

80. (4) (ii) (iii) (iv) (i)

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