Question: The haploid condition is found in _________?

• 1. Amoeba
• 2. Bacteria
• 3. Ovum
• 4. Zygote

Question: The character which appears physically in an animal is __________?

• 1. Genotype
• 2. Phenotype
• 3. Heterotype
• 4. Morphozygous

Question: The frequency of a character is found to be increasing when __________?

• 1. It is dominant
• 2. It is recessive
• 3. It is adaptable
• 4. It is inheritable

Question: How many nucleosomes are found in helical coil of 30 nm chromatin fibre ____?

• 1. 10
• 2. 12
• 3. 06
• 4. 09

Question: If the number of chromosomes in most body cells of a mammal is 40, the cells in the seminiferous tubule will have___________?

• 1. 40 chromosomes
• 2. 20 chromosomes
• 3. 10 chromosomes
• 4. While some other will have 20

Question: A cistron is ________?

• 1. Structural of gene
• 2. Functional unit of RNA
• 3. Functional unit gene
• 4. Replication unit of gene

Question: Tjio and Levan’s contribution is very significant because they __________ ?

• 1. Identified barr bodies
• 2. Detected sex linkage
• 3. Pointed out mutational changes
• 4. Gave the number of human chromosomes

Question: The elimination of toxic nitrogenous waste and excess water in man is by______?

• 1. Excretion
• 2. Circulation
• 3. Reproduction
• 4. Pollution

Question: Acid present in gastric juice is_________?

• 1. Hydrochloric Acid
• 2. Citric Acid
• 3. Sulphuric Acid
• 4. Acetic Acid

Question: Which blood cells are called ‘Soldiers’ of the body_________?

• 1. WBC
• 2. Platelets
• 3. RBC
• 4. All of the above