51.

Genetically engineered human insulin is called

• humulin

• haematin

• hybridoma

• hybrid

The food chain starts from :

• consumer

• producer

• decomposer

• nitrogen fixation

Humulin is a :

• form of chitin

• human insulin

• digestive enzyme

• antibiotics

The substrate for photorespiration is :

• glycolate

• acetyl Co-A

• pyruvic acid

• glucose

Which of the following is the product of glucose fermentation by yeast?

• C₆H₁₂O₆

• C₂H₅OH

• (C₆H₁₀O₅)_n

• CH₂OH

The formation of embryo without fusion of gametes is termed as :

• apospory

• isogamy

• apogamy

• syngamy

The pesticide used as preventive measure in buildings is :

• aldrin

• dieldrin

• endrin

• DDT

Which of the following is not a pollutant?

• Hydrogen

• Carbon dioxide

• Sulphur dioxide

• Carbon monooxide

Main air pollutant is :

• CO

• CO₂

• S

• N₂

Cheese and yogurt are the products of

• dehydration

• fermentation

• pasteurization

• distillation