The proteins are made in the cells under the instructions of _____.

1. 1. RNA
   2. DNA
   3. Ribosomes
   4. Genes

The study of structure and behaviour of gene is called _____.

1. 1. Molecular biology
   2. Genotype
   3. Inheritance
   4. Genetics

The way genes transmit traits from parents to offspring is _____.

1. 1. Heredity
   2. Genome
   3. Genetics
   4. Inheritance

Which of the following contain centres for breathing, blood pressure and heart beat?

1. 1. Medulla oblongata
   2. Pons
   3. Cerebellum
   4. Hypothalamus

If the temperature rises gradually up to 40° C, the rate of photosynthesis _____.

1. 1. increases
   2. decreases
   3. remains constant
   4. may stop altogether

An inactive phase during the life cycle during which animal stores a develops a covering around body is called _____.

1. 1. Larva
   2. Pupa
   3. Adult
   4. Nymph

Which one of the followings is not a characteristic of an insect?

1. 1. They possess a pair of legs in each segment
   2. Their body is divided into head, thorax and abdomen
   3. They possess two wings for flying
   4. Two prominent antennae are present on head

Master gland is pituitary gland which controls the activities of _____.

1. 1. Adrenal gland
   2. Adrenal and thyroid glands
   3. Pancreas and Gonads glands
   4. All glands

Which of the following acts as hormone?

1. 1. Proteins
   2. Vitamins
   3. Fats
   4. Carbohydrates

Water helps in the metabolism process in the presence of _____.

1. 1. Amino acids
   2. Ribonucleic acid
   3. Enzymes
   4. Proteins