Which of the following waste products in grasshopper is not excreted and is used in other metabolic activities

• Carbon dioxide

• Water

• Uric acid

• Faeces

When kidney of a person is damaged, he/she invariably suffers from anaemia because

• RBCs pass through the glomerulus

• sufficient erythropoietin is not produced

• haemoglobin is not synthesised sufficiently

• iron and vitamin B₁₂ are not able to bind to haemoglobin

13.

Which one of the following is not derived from plants

• Opioids

• Cocaine

• DDT

• Cannabinoid

Select the animal that exhibits retrogressive metamorphosis

• Bufo

• Limulus

• Amphioxus

• Herdmania

The checkpoint in cell cycle plays important role in

• repair DNA damage

• apoptosis initiation

• assess DNA damage

• inhibit cell damage.

Which enzyme helps in transfer of phosphate group from ATP to a carbohydrate

• Phosphatase

• ATPase

• Phosphorylase

• Catalase

Which of the following is the correct floral formula for the floral diagram given below?

Carbon dioxide is necessary for photosynthesis. The chemical used to remove this gas most effectively from entering a control apparatus is

• calcium oxide

• distilled water

• potassium hydroxide solution

• sodium carbonate.

Barr Body is found in the cytoplasm during

• interphase in cell of female mammal

• interphase in cell of male mammal

• prophase in cell of female mammal

• prophase in cell of male mammal.

Gibberellins can promote seed germination because of their influence on

• rate of cell division

• production of hydrolysing enzymes

• synthesis of abscisic acid

• absorption of water through hard seed coat.