NEET Biology Practice test||Exam Questions 61-70

61. Sweet potato and potato represent a certain type of evolution. Select the correct combination of terms to explain the evolution.

(1) Analogy, convergent (2) Homology, divergent (3) Homology, convergent (4) Analogy, divergent

62. With the help of given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in F3 generation.

(1) 1/4 (2) 1/2 (3) 1/8 (4) Zero

63. Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Cells of the tapetum possess dense cytoplasm and generally have more than one nucleus.
Reason (R): Presence of more than one nucleus in the tapetum increases the efficiency of nourishing the developing microspore mother cells.
In the light of the above statements, choose the most appropriate answer from the options given below:

(1) Both A and R are true and R is the correct explanation of A (2) Both A and R are true but R is not the correct explanation of A (3) A is true but R is false (4) A is false but R is true

64. How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?

(1) 2 Meiosis and 3 Mitosis (2) 1 Meiosis and 2 Mitosis (3) 1 Meiosis and 3 Mitosis (4) No Meiosis and 2 Mitosis

65. Which of the following is an example of a zygomorphic flower?

(1) Petunia (2) Datura (3) Pea (4) Chilli

66. After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s)/tissue(s) like:
A. thymus
B. bone marrow
C. spleen
D. lymph nodes
E. Peyer's patches
Choose the correct answer from the options given below:

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

67. Given below are two statements:
Statement I: Fig fruit is a non-vegetarian fruit as it has enclosed fig wasps in it.
Statement II: Fig wasp and fig tree exhibit mutual relationship as fig wasp completes its life cycle in fig fruit and fig fruit gets pollinated by fig wasp.
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

68. What is the main function of the spindle fibers during mitosis?

(1) To separate the chromosomes (2) To synthesize new DNA (3) To repair damaged DNA (4) To regulate cell growth

69. Which one of the following is the characteristic feature of gymnosperms?

(1) Seeds are enclosed in fruits. (2) Seeds are naked. (3) Seeds are absent. (4) Gymnosperms have flowers for reproduction.

70. Consider the following statements regarding function of adrenal medullary hormones:
A. It causes pupilary constriction
B. It is a hyperglycemic hormone
C. It causes piloerection
D. It increases/strength of heart contraction
Choose the correct answer from the options given below:

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

Quiz Results

You scored 0 out of 10!