A fish introduced into a water body to control mosquito population is

• Gambusia

• Labeo

• Notopterus

• Fistularia

Function of SER is

• protein metabolism

• lipid metabolism

• carbohydrate metabolism

• catabolic activity

Ornithorhynchus is a connecting link between

• fishes and amphibians

• Annelida and Arthropoda

• Annelida and Mollusca

• reptiles and mammals

Which of the following helps in the absorption of Vitamin-B₁₂?

• Pepsin

• Bile juice

• Castle's intrinsic gastric factor

• Cholecy stokinin

Patella (knee cap) is an example of

• replacing bones

• sesamoid bones

• flat bones

• irregular bones

Which of the following is correctly matched?

• Enlarged P-wave - Acute myocardial infarction

• QRS wave flat - Atherosclerotic heart disease

• Enlarged Q and A - wave-Myocardial infarction

• Elevated S-T - Enlargement of atria

Match the parts of the human brain with their functions.

• A - 5; B - 4; C - 2; D - 1

• A - 4; B - 5; C - 2; D - 1

• A - 5; B - 4; C - 1; D - 2

• A - 4; B - 5; C - 1; D - 2

Which of the following branch of biology is correctly matched?

• Ornithology - Study of mammals

• Herpetalogy - Study of molluscs

• Ophiology - Study of snakes

• Therology - Study of birds

If a haemophilic carrier female marries a normal man, the chances are that

• all the daughters will have haemophilia

• 50% of the daughters will have haemophilia

• 50% of the sons will have haemophilia

• all the sons will have haemophilia

Glands in a vertebrate body originate from

• ectoderm, mesoderm and endoderm

• ectoderm and endoderm

• mesoderm

• ectoderm