2025 NEET Biology Practice Test||Questions (71-80)

71. Why can’t insulin be given orally to diabetic patients?

(1) Human body will elicit strong immune response (2) It will be digested in Gastro-Intestinal (GI) tract (3) Because of structural variation (4) Its bioavailability will be increased

72. Match List-I with List-II.
List-I: A. Pteridophyte, B. Bryophyte, C. Angiosperm, D. Gymnosperm
List-II: I. Salvia, II. Ginkgo, III. Polytrichum, IV. Salvinia
Choose the option with all correct matches.

(1) A-III, B-IV, C-II, D-I (2) A-IV, B-III, C-I, D-II (3) A-III, B-IV, C-I, D-II (4) A-IV, B-III, C-II, D-I

73. Who proposed that the genetic code for amino acids should be made up of three nucleotides?

(1) George Gamow (2) Francis Crick (3) Jacque Monod (4) Franklin Stahl

74. Match List-I with List-II.
List-I: A. The Evil Quartet, B. Ex situ conservation, C. Lantana camara, D. Dodo
List-II: I. Cryopreservation, II. Alien species invasion, III. Causes of biodiversity losses, IV. Extinction
Choose the option with all correct matches.

(1) A-III, B-II, C-I, D-IV (2) A-III, B-I, C-II, D-IV (3) A-III, B-IV, C-II, D-I (4) A-III, B-II, C-IV, D-I

75. Which of the following hormones released from the pituitary is actually synthesized in the hypothalamus?

(1) Luteinizing hormone (LH) (2) Anti-diuretic hormone (ADH) (3) Follicle-stimulating hormone (FSH) (4) Adenocorticotrophic hormone (ACTH)

76. Role of the water vascular system in Echinoderms is:
A. Respiration and Locomotion
B. Excretion and Locomotion
C. Capture and transport of food
D. Digestion and Respiration
E. Digestion and Excretion
Choose the correct answer from the options given below:

(1) A and B Only (2) A and C Only (3) B and C Only (4) B, D and E Only

77. Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?

(1) Acquired Immunity (2) Innate Immunity (3) Cell-mediated Immunity (4) Humoral Immunity

78. In bryophytes, the gemmae help in which one of the following?

(1) Sexual reproduction (2) Asexual reproduction (3) Nutrient absorption (4) Gaseous exchange

79. In frog, the Renal portal system is a special venous connection that acts to link :

(1) Liver and intestine (2) Liver and kidney (3) Kidney and intestine (4) Kidney and lower part of body

80. Given below are two statements:
Statement I: In ecosystem, there is unidirectional flow of energy of sun from producers to consumers.
Statement II: Ecosystems are exempted from 2nd law of thermodynamics.
In the light of the above statements, choose the most appropriate answer from the options given below:

(1) Both Statement I and Statement II are correct (2) Both Statement I and Statement II are incorrect (3) Statement I is correct but Statement II is incorrect (4) Statement I is incorrect but Statement II is correct

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