Bonus Marks in NEET 2025? List of controversial questions

106

With the help of the given pedigree, find out the probability for the birth of a child having no disease and being a carrier (having the disease mutation in one allele of the gene) in F ₃ generation.

• Unaffected Male
• Affected Male
• Carrier Female
• Unaffected Female
• Affected Female

1. 1/2
2. 1/8
3. Zero
4. 1/4

(4) 1/4

1. 1/2

133

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 a mutual relationship as the fig wasp completes its life cycle in the fig fruit, and the fig fruit gets pollinated by the fig wasp.

In light of the above statements, choose the most appropriate answer from the options given below:

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

1. Both Statement I and II are incorrect

2. Statement I is incorrect but Statement II is correct

173

Cardiac activities of the heart are regulated by:

A. Nodal tissue

B. A special neural centre in the medulla oblongata

C. Adrenal medullary hormones

D. Adrenal cortical hormones

Choose the correct answer from the options given below:

1. A, B, C and D
2. A, C and D only
3. A, B, and D only
4. A, B, and C only

(4) A, B, and C only

1. A, B, C and D

93

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): The Presence of more than one nucleus in the tapetum increases the efficiency of nourishing the developing microspore mother cells.

In light of the above statements, choose the most appropriate answer from the options given below:

1. Both A and R are true but R is NOT the correct explanation of A
2. A is true but R is false
3. A is false but R is true
4. Both A and R are true and R is the correct explanation of A

(4) Both A and R are true and R is the correct explanation of A

1. Both A and R are true but R is NOT the correct explanation of A

56

Out of the following complex compounds, which of the compound will be having the minimum conductance in solution?

(1) [Co(NH3)4Cl₂]

(2) [Co(NH ₃ ) ₆ ]Cl ₃

(3) [Co(NH ₃ ) ₃ Cl]Cl

(4) [Co(NH ₃ ) ₃ C1 ₃ ]

1. [Co(NH3) ₄ Cl₂] & (4) [Co(NH ₃ ) ₃ C1 ₃ ]

1. Some are saying [Co(NH ₃ ) ₄ Cl₂], some are saying (4) [Co(NH ₃ ) ₃ CI ₃ ]