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

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

Organs which differ in origin but perform similar functions

• analogous

• homologous

• vestigial

• all 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

Lymphocytes are formed by

• plasma cells 

•  mast cells

• liver cells

• none of these

Which have not left any evidences of organic evolution

• Archaeopteryx

• Cow

• Peripatus

• Neopilina

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

• Carbohydrates - Fat- Protein

• Carbohydrate - Protein - Fat

• Fat - Protein - Carbohydrate

• Fat - Carbohydrate- Protein

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

Acrosome is formed by

• nucleus

• Golgi apparatus

• mitochondria

• none of these

Sequence of DNA (non-coding) is known as

• exon

• intron

• cistron 

• none of these