Recently Added Articles in Biology
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Recently Added Questions in Biology
Q: The enzyme that is necessary to bring about clotting of blood is 119 05b5cc7efe4d2b41977751d1c
Answer : 4. "thrombokinase"
Answer: D) thrombokinase Explanation: The clotting of blood is a chain reaction initiated by the enzyme thrombokinase produced by the platelets. This causes prothrombin to be converted into thrombin in the presence of Ca++ion. Thrombin combines with fibrinogen to produce fibrin threads which entangles the corpuscles to form the clot.
Q: There are approximately how many muscles in Human body ? 105 05b5cc6f4e4d2b4197774efaa
Answer : 4. "700"
Answer: D) 700 Explanation: Approximatey there are 700 muscles in Human body.
Q: In which of the following mammals estrous cycle is absent ? 144 15b5cc6f4e4d2b4197774efa0
Answer : 4. "Monkey"
Answer: D) Monkey Explanation:
Q: Which type of Stem modification is seen in banana ? 117 05b5cc6f1e4d2b4197774ef9b
- 2Stem tuberfalseCorrectIncorrect
Answer : 1. "Rhizome"
Answer: A) Rhizome Explanation:
Q: Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in 108 05b5cc6f1e4d2b4197774ef96
- 1Recombinant DNA technologyfalseCorrectIncorrect
- 2Monoclonal antibody productionfalseCorrectIncorrect
- 3Stemcell culturefalseCorrectIncorrect
- 4DNA fingerprintingtrueCorrectIncorrect
Answer : 4. "DNA fingerprinting"
Answer: D) DNA fingerprinting Explanation:
Q: Statement which is true about bacteria ? 112 05b5cc6e9e4d2b4197774ee24
- 1All bacteria are autotrophsfalseCorrectIncorrect
- 2Most of them are heterotrophs but some are autotrophstrueCorrectIncorrect
- 3All bacteria heterophsfalseCorrectIncorrect
- 4All bacteria are photosyntheticfalseCorrectIncorrect
Answer : 2. "Most of them are heterotrophs but some are autotrophs"
Answer: B) Most of them are heterotrophs but some are autotrophs Explanation: