Genomes And Their Evolution(Cell Biology ) Questions and answers for exam Preparation

Question 1. What is haploid genome size of archaea Archaeoglobus fulgidus?

2.2 mb
3.3 mb
4.5 mb
5.6 mb

Explanation:-

Answer: Option A. -> 2.2 mb
Answer: (a).2.2 mb

Question 2. Which of following tends to have larger genomes?

archaea
protists
prokaryotes
eukaryotes

Explanation:-

Answer: Option D. -> eukaryotes
Answer: (d).eukaryotes

Question 3. What percentage of DNA in humans are introns?

30
20
60
39

Explanation:-

Answer: Option B. -> 20
Answer: (b).20

Question 4. Transposon 'LINE-1' account for how much of total human genome?

0.17
0.1
0.09
0.08

Explanation:-

Answer: Option A. -> 0.17
Answer: (a).0.17

Question 5. What is scientific name for orangutan?

pongo pygmaeus
Zea mays
drosophila melanogaster
Mus musculus

Explanation:-

Answer: Option A. -> pongo pygmaeus
Answer: (a).pongo pygmaeus

Question 6. Allele for achondroplasia is

recessive
dominant
silent
common

Explanation:-

Answer: Option B. -> dominant
Answer: (b).dominant

Question 7. Which of following results from cystic fibrosis?

thick mucus
blocked arteries
tumor
loss of neurons

Explanation:-

Answer: Option A. -> thick mucus
Answer: (a).thick mucus

Question 8. Normal gene of cystic fibrosis codes for membrane protein that transports which of following ions?

potassium
chloride
sodium
calcium

Explanation:-

Answer: Option B. -> chloride
Answer: (b).chloride

Question 9. If left untreated, cystic fibrosis can cause death of children by which age?

3
5
9
10

Explanation:-

Answer: Option B. -> 5
Answer: (b).5

Question 10. Plants that were heterozygous for two different characters are termed as

Multiploid
diploid
dihybrid
Heteroploid

Explanation:-

Answer: Option C. -> dihybrid
Answer: (c).dihybrid