If you want to develop hybrid seeds within a bisexual flower, the following part needs to be removed from the same flower

• stigma

• ovary

• anther

• oviduct

Basic principle of developing transgenic plants and animals is to introduce the gene of interest into the nucleus of

• somatic cell

• vegetative cell

• germ cell

• body cell

Xenogamy is essentially a type of

• cleistogamy

• allogamy

• autogamy

• homogamy

Presence of which of the following hormone in the urine confirms pregnancy?

• Progesterone

• Oestrogen

• Human chorionic gonadotropin

• Prolactin

Mammals have originated from which of the following

• Pisces

• Amphibia

• Reptilia

• Aves

Which pairs of the following diseases are caused by two genes located on human X-chromosomes?

• Colour blindness and phenylketonuria

• Colour blindness and haemophilia

• Colour blindness and albinism

• Colour blindness and hypertrichosis

The volume of 'Anatomical Dead Space' air is normally

• 230 mL

• 210 mL

• 190 m

• 150 mL

Which one of. the following animals possesses giant chromosome?

• Drosophila

• Mouse

• Pigeon

• Elephant

Which one of the following triplet codon is known as initiation codon?

• UUU

• UAA

• AUG

• UGA

In plant tissue culture, the callus tissues can be regenerated into complete plantlets primarily by altering the concentration of

• sugars

• vitamins

• amino acids

• hormones