1. Formic acid is produced by– (A) White ants (B) Cockroaches (C) Red ants (D) Mosquitoes Ans. (C) 2. Which is the largest living bird on Earth? (A) Emu (B) Ostrich (C)

Terminology & Biotechniques

1. Bee-keeping is known as– (A) Sericulture (B) Apiculture (C) Aquaculture (D) Agriculture Ans. (B) 2. Which one of the following is related to silviculture? (A) Culture of Hilsa (B) Culture of

Human Diseases

1. AIDS virus has– (A) Single-stranded RNA (B) Double-stranded RNA (C)Single-stranded DNA (D)Double-stranded DNA Ans. (A) 2. Some viruses have RNA, but no DNA. This would indicate that– (A) These viruses can

Genetics and Molecular Biology

1. ‘Linkage’ was discovered by– (A) Blakslee (B) Morgan (C) Muller (D) Bateson Ans. (D) 2. The virus without capsid but only with nucleic acids is called– (A) Capsomere (B) Nucleoid (C)

Human body system

D. Excretory System 1. The functional unit of the Kidney is– (A) Aron (B) Nephron (C) Nephron (D) Arteries Ans. (C) 2. Which of the following is responsible for water balance in

Human body system

C. Circulatory system and blood 1. Which of the following are warm blooded animals? (A) Whales (B) Whale sharks (C) Alytes (D) Draco Ans. (A) 2. To which group of blood does

Human body system

B. Respiratory System 1. Cockroach cannot survive in the water because its respiratory organ is– (A) Gill (B) Trachea (C) Book lung (D) Pulmonary sac Ans. (B) 2. Among the following set

Human body system

A. Digestive system 1. Vegetables are spoiled because they contain a rich amount of – (A) Carbohydrate (B) Water (C) Vitamin (D) Enzyme Ans. (B) 2. Which of the following organs convert

Nutrition of Animals

1. Glucose is a type of– (A) Pentose sugar (B) Hexose sugar (C) Tetrose sugar (D) Diose sugar Ans. (B) 2. In the human body, fats are stored in the– (A) Epidermis

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