A process that makes important difference between C3 and C4 plants is:
Options
(a) Transpiration (b) Glycolysis (c) photosynthesis (d) Photorespiration
Correct Answer:
Photorespiration
Explanation:
Photorespiration is absent is C₄ plants photorespiration does not […]
A nitrogen-fixing microbe associated with Azolla in rice fields is :
Options
(a) Spirulina (b) Anabaena (c) Frankia (d) Tolypothrix
Correct Answer:
Anabaena
Explanation:
No explanation available. Be the first to write the explanation […]
The Leydig cells found in the human body are the secretory source of
Options
(a) Progesterone (b) intestinal mucus (c) glucagon (d) andeogens
Correct Answer:
andeogens
Explanation:
Leydig cells found in testis is […]
Which one of the following does not differ in E.coli and Chlamydomonas
Options
(a) Ribosomes (b) Chromosomal Organization (c) Cell wall (d) Cellmembrane
Correct Answer:
Cellmembrane
Explanation:
Cell membrane of E. coli, a bacteria […]
PCR and Restriction Fragment Length Polymorphism are the methods for :
Options
(a) Study of enzymes (b) Genetic transformation (c) DNA sequencing (d) Genetic Fingerprinting
Correct Answer:
Genetic Fingerprinting
Explanation:
No explanation available. […]
Monascus purpureus is a yeast used commercially in the production of :
Options
(a) ethanol (b) streptokinase for removing clots from the blood vessels (c) Citric acid (d) blood cholesterol lowering statins
Correct Answer: […]
Which one of the following pairs is wrongly matched?
Options
(a) Ginkgo -Archegonia (b) Salvinia – Prothallus (c) Viroids – RNA (d) Mustard – Synergids
Correct Answer:
Ginkgo -Archegonia
Explanation:
Archegonia are not formed […]
Gymnosperms are also called soft wood spermatophytes because they lack:
Options
(a) Cambium (b) Phloem fibres (c) Thick-walled tracheids (d) Xylem fibres
Correct Answer:
Xylem fibres
Explanation:
No explanation available. Be the first […]
Which one of the following is not a part of a transcription unit in DNA?
Options
(a) The inducer (b) A terminator (c) A promoter (d) The structural gene
Correct Answer:
The inducer
How many plants in the list given below have composite fruits that develop from an inflorescence Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry
Options
(a) Four (b) Five (c) Two (d) Three
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