In human eyes, colour perception is done by
rod cells only
cone cells only
Both (a) and (b)
choroid laver cells
B.
cone cells only
Cones are responsible for the perception and differentiation of colours. They produce sharp, coloured image in bright light
Rods are helpful for visualization in dim light and is responsible for black and white vision.
2NAD(H+) produced during anaerobic glycolysis yield
6 ATP molecules
4 ATP molecules
8 ATP molecules
None of these
Pernicious anaemia is caused due to
absence of vitamin-K
lack of Vitamin - B12
lack of Vitamin - C
presence of intrinsic factor
Which of the following set is a mis-match?
Phosphoenol pyruvate carboxykinase - Gluconeogenesis
Phospho fructokinase - Glycolysis
Succinate dehydrogenase - Kerbs cycle
Urease - Urea cycle
Which of the following type of cartilage is found in intervertebral disc of mammal?
Hyaline cartilage
Fibrous cartilage
Calcified cartilage
Elastic cartilage
Which one of the following animals lay eggs yet the female secretes milk?
Bat
Kangaroo
Platypus
Ostrich
Taxonomically, which of the following set is matched correctly?
Cattle fish, jelly fish, silver fish
Bat, pigeon, kite
Lobsters, spider, shrimps
Oyster, otter, Octopus
Who proved that oxygen evolved in photosynthesis comes from water?
Mayer
Calvin
Ruben, Hassid and Kamen
Blackman
