Which of the following is necessary to start clotting of blood
Which of the following is necessary to start clotting of blood Options (a) heparin (b) thromboplastin and Ca⁺⁺ (c) serotonin…
8 years ago
Questions
Frequency of Down’s syndrome increase when the maternal age is
Frequency of Down's syndrome increase when the maternal age is Options (a) above 35 years (b) below 35 years (c)…
8 years ago
In genetic engineering experiment, DNA fragments are joined by
In genetic engineering experiment, DNA fragments are joined by Options (a) gyrase (b) helicase (c) ligase (d) polymerase Correct Answer:…
8 years ago
Which one of the following is the first national park in India?
Which one of the following is the first national park in India? Options (a) Kanha national park (b) Periyar national…
8 years ago
When a potato piece is kept in a concentrated salt solution then
When a potato piece is kept in a concentrated salt solution then Options (a) potato is plasmolysed (b) potato cells…
8 years ago
The temperature range, at which enzymes are maximum functional is
The temperature range, at which enzymes are maximum functional is Options (a) 30° - 50° C (b) 20° - 30°…
8 years ago
How many cytochromes are involved in the electron transport chain?
How many cytochromes are involved in the electron transport chain? Options (a) five (b) two (c) six (d) four Correct…
8 years ago
Which enzyme is used as ‘molecular scissor’ in genetic engineering?
Which enzyme is used as 'molecular scissor' in genetic engineering? Options (a) restriction endonuclease (b) DNA polymerase (c) DNA ligase…
8 years ago
Which of the following fruits are found in the family ranunculaceae?
Which of the following fruits are found in the family ranunculaceae? Options (a) berry (b) achenes (c) capsule (d) all…
8 years ago
The primary acceptor, during carbon dioxide fixation in C₃ plants is
The primary acceptor, during carbon dioxide fixation in C₃ plants is Options (a) phosphoglyceric acid(PGA) (b) phosphoenolpyruvate(PEP) (c) ribulose monophosphate(RMP)…
8 years ago