Which one in the following crosses shows phenotypic ratio of 3:1 ?

“Gametes are never hybrid”, it is statement of -

In a lake, phytoplanktons grow abundantly in –

The feature of the xerophytic plant leaves are –

In genetic engineering, restriction enzymes can be used for –

Nif-genes are associated with –

Which of the following cannot be detected in a developing foetus by
amniocentesis ?

How oral contraception pills used by females help in birth control

HIV attacks on –

The most famous symbiotic nitrogen fixing bacterium is –

BOD level in fresh water should not exceed beyond –

Decolouration of lead and silver paints is caused due to –

Lohi is a breed of –

Which of the following is not a fresh water fish ?

Toxin produced by tetanus mainly affects –

Advancement in genetic engineering has been possible due to
whom?

Which of the following enhances or induces fusion of protoplast ?
(A) IAA and kinetin
(B) IAA and gibberellins
(C) Polyethylene glycol and sodium nitrate
(D) Sodium chloride and potassium chloride

Golden rice is a GMO plant in which the incorporated gene is meant for biosynthesis of –

Which plant is found in mangrove zone ?

Reduction in vascular tissue, mechanical tissue and cuticle is
characteristic feature of whom ?

Plants growing on rocks are called as –

Parasitic angiosperms are -

Antibiotic cephalosporin is obtained from which one in the following?

Induced abortion is –

Who discovered the molecular structure of Insulin ?

Characteristic of blue-green algae is –

Saffron is obtained from which plant ?

Heart is developed from –

Which one is analysed by amniocentesis ?

During menstrual cycle, the cyclic changes take place in –

'Genotype-Phenotype’ concept was first proposed by

Which transgenic plant is rich in 𝛽–carotene and ferritin in the
following ?

Rejection of organ transplant is due to –

Archaeopteryx was evolved during which period of era ?

Sunken stomata is found in –