Biology – Class 12 Mock Test 3

10%

Question 1 of 10

1. Which of the following is not a function of RNA?

Messenger

Catalysis

Adapter

Modifier

Question 1 of 10

Question 2 of 10

2. Who was the pioneer of studies in fruit flies?

Morgan

Mendel

Sutton

Boveri

Question 2 of 10

Question 3 of 10

3. Which of the following is the characteristic feature of Down’s syndrome?

Short stature

Underdeveloped gonads

Congenital heart disease

Broad palm with palm crease

Question 3 of 10

Question 4 of 10

4. What are the additional set of proteins which are required for the packaging of chromatin at the higher levels known as?

Histone proteins

Histone chromosomal proteins

Non-Histone proteins

Non-Histone chromosomal proteins

Question 4 of 10

Question 5 of 10

5. What gametes are produced by a Vv heterozygous plant?

50% V and 50% v

75% V and 25% v

25% V and 75% v

100% V and 0% v

Question 5 of 10

Question 6 of 10

6. If the cell at G1 phase at 2 Giga base pairs of DNA, what is the DNA content of the cell right before Telophase II?

1 Giga base pairs

4 Giga base pairs

3 Giga base pairs

2 Giga base pairs

Question 6 of 10

Question 7 of 10

7. Which of the following scientists demonstrated the quantitative traits in wheat?

Paul Vincent

H. Nilsson-Ehle

West

Ernst Haeckel

Question 7 of 10

Question 8 of 10

8. A case was registered against the progeny being exchanged at the hospital. The doctors used blood groups to solve the case. The blood group genotype of parents was IAi and IAIB. What was the blood group of the child who was wrongly placed as their child?

Question 8 of 10

Question 9 of 10

9. What will be the next step in the process of transcription?
DNA -> RNA ->?

rRNA

tRNA

mRNA

Protein

Question 9 of 10

Question 10 of 10

10. Which of the following is not a phenotypic class of the F2 generation in wheat?

White

Black

Extreme red

Deep red

Question 10 of 10