

MCQOPTIONS
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1. |
Read the following statements and select the correct option. (i) A daughter receives X-chromosome from her mother only. (ii) Human beings possess 22 pairs of autosomes and 1 pair of sex chromosomes. (iii) In mammals, embryo develops outside the mother's body. (iv) A new human individual develops from a cell called gamete. (v) Pituitary gland produces thyroid-stimulating hormone (TSH), which stimulates the thyroid to produce thyroxine. (vi) A zygote is formed as a result of fertilisation. |
A. | Statements (i), (iii) and (iv) are incorrect, while statements (ii), (v) and (vi) are correct. |
B. | Statements (i) and (iii) are incorrect while statements (ii), (iv), (v) and (vi) are correct. |
C. | Statements (iii) and (iv) are incorrect, while statements (i), (ii), (v) and (vi) are correct. |
D. | Statements (iii) and (v) are incorrect, while statements (i), (ii), (iv) and (vi) are correct. |
Answer» B. Statements (i) and (iii) are incorrect while statements (ii), (iv), (v) and (vi) are correct. | |