MCQ
Which of the following is an incorrect statement?
- AHormones are required in trace amounts
- ✓Hormones are intra-cellular messengers
- CHormones are secreted by endocrine glandular cells
- DHormones are secreted in response to a particular stimulus
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$\begin{array}{|p{0.3\linewidth}|l|} \hline Column-I & Column-II \\ \hline 1.\,\,Exoskeleton & p.\;Thorax \\ \hline 2.\,\,Three\,\,ganglion & q.\;Chitin \\ \hline 3.\,\,One\,\,pair\,\,of\,\,seminal\,\,vesicle & r.\;6^{th}-7^{th}\,\,segments\;\;of\;\;abdomen \\ \hline 4.\,\,Mushroom\,\,shaped & s.\;6^{th}\,\,segments \\ \hline \end{array}$
| Column-l | Column-II |
| A. Phallomere | i. Chain of developing ova |
| B. Gonopore | ii. Bundles of sperm |
| C. Spermatophore | iii. Opening of the ejaculatory duct |
| D. Ovarioles | iv. The external genitalia |
| List $- I$ | List $- II$ |
| $(a)$ Adaptive radiation | $(i)$ Selection of resistant varieties due to excessive use of herbicides and pesticides |
| $(b)$ Convergent evolution | $(ii)$ Bones of forelimbs in Man and Whale |
| $(c)$ Divergent evolution | $(iii)$ Wings of Butterfly and Bird |
| $(d)$ Evolution by anthropogenic action | $(iv)$ Darwin Finches |
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$