Which one of the following animals lay eggs yet the female secretes milk?
Bat
Kangaroo
Platypus
Ostrich
C.
Platypus
Duckbilled platypus (Ornithorhyncus anatinus) is a semi-aquatic prototherian found in Australia and Tasmania. In these, the females lay eggs but yet produce milk and possess mammary glands without teats. Milk collects in two abdominal grooves from where the young ones obtainit through lapping.
In human eyes, colour perception is done by
rod cells only
cone cells only
Both (a) and (b)
choroid laver cells
Which of the following type of cartilage is found in intervertebral disc of mammal?
Hyaline cartilage
Fibrous cartilage
Calcified cartilage
Elastic cartilage
2NAD(H+) produced during anaerobic glycolysis yield
6 ATP molecules
4 ATP molecules
8 ATP molecules
None of these
Which of the following set is a mis-match?
Phosphoenol pyruvate carboxykinase - Gluconeogenesis
Phospho fructokinase - Glycolysis
Succinate dehydrogenase - Kerbs cycle
Urease - Urea cycle
Taxonomically, which of the following set is matched correctly?
Cattle fish, jelly fish, silver fish
Bat, pigeon, kite
Lobsters, spider, shrimps
Oyster, otter, Octopus
Pernicious anaemia is caused due to
absence of vitamin-K
lack of Vitamin - B12
lack of Vitamin - C
presence of intrinsic factor
Who proved that oxygen evolved in photosynthesis comes from water?
Mayer
Calvin
Ruben, Hassid and Kamen
Blackman
