Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements

Statements:

(A) Wings of butterflies and birds look alike and are the results of ____(i), evolution
(B) Miller showed that CH4, H2, NH3, and ____(i), when exposed to electric discharge in a flask resulted in the formation of ____(ii).
(C) Vermiform appendix is a ____(i) organ and an ____(ii) evidence pf evolution.
(D) According to Darwin evolution took place due to ____(i)and ____(ii) of the fittest.
 

Options:

1. (A) - (i) convergent, (B) - (ii) oxygen, (ii) nucleosides
2. (B) - (i) water vapour, (ii) amino acids, (C) - (i) rudimentary (ii) anatomical
3. (C) - (i) vestigial, (ii) anatomical, (D) - (i) mutations, (ii) multiplication
4. (D) - (i) small variations, (ii) survival, (A) - (i) convergent

Subtopic:  Darwin's Theory | Summary of Darwin's Theory | Concept of Organic Evolution: Evidence |
 58%
From NCERT
AIPMT - 2010
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Darwin's finches are an excellent example of:

1. adaptive radiation

2. seasonal migration

3. brood parasitism

4. connecting links

Subtopic:  Darwin's Theory | Summary of Darwin's Theory |
 97%
From NCERT
AIPMT - 2008
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Select the correct statement from the following:

1. Darwin variations are small and directionless
2. fitness is the end result of the ability to adapt and gets selected by nature
3. all mammals except whales and have seven cervical vertebrae
4. Mutations are random and directional

Subtopic:  Darwin's Theory | Summary of Darwin's Theory |
 78%
From NCERT
AIPMT - 2007
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The finches of the Galapagos islands provide evidence in favour of:

1. special creation

2. evolution due to mutation

3. retrogressive evolution

4. biogeographical evolution

Subtopic:  Darwin's Theory | Summary of Darwin's Theory |
 84%
From NCERT
AIPMT - 2007
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh