Multiple Choice Questions

Advertisement

Acrosome is formed by

  • nucleus

  • Golgi apparatus

  • mitochondria

  • none of these


B.

Golgi apparatus

Acrosome is the penetrating tip of spermatozoan which is formed of Golgi apparatus. It contains hyaluronidase and several lytic enzymes.

While mitochondria in the middle piece provide ATP required for its movement.


Advertisement

Biotic factors are :

  • chemical factors of soil which affect life

  • physical factors of soil which affect life

  • all living organisms which influence other organisms

  • factors of atmosphere which affect life


Which have not left any evidences of organic evolution

  • Archaeopteryx

  • Cow

  • Peripatus

  • Neopilina


Organs which differ in origin but perform similar functions

  • analogous

  • homologous

  • vestigial

  • all of these


Sequence of DNA (non-coding) is known as

  • exon

  • intron

  • cistron 

  • none of these


Advertisement

Set which includes only analogous organs is

  • wings of butterfly, housefly and bat

  • hindlegs of horse, grasshopper and bat

  • wings of butterfly and wingspread of bat and birds

  • mandibles of cockroach, mosquito and honey bee


Lymphocytes are formed by

  • plasma cells 

  •  mast cells

  • liver cells

  • none of these


Example of analogous organs is :

  •  wings of bird and insect

  • forelimbs of horse and man

  • teeth of elephant and man

  • none of the above


During starvation what will be sequence of ending of food stuffs ?

  • Carbohydrates - Fat- Protein

  • Carbohydrate - Protein - Fat

  • Fat - Protein - Carbohydrate

  • Fat - Carbohydrate- Protein


Advertisement

A haemophilic woman marries a normal man then

  • all the children will be normal

  • all the sons will be haemophilic

  • all the girls will be haemophilic

  • half girls will be haemophilic