A change in the amount of yolk and its distribution in the egg will affect
Options
(a) pattern of cleavage (b) number of blastomeres produced (c) fertilization (d) formation of zygote
Correct Answer: […]
Which type of white blood cells are concerned with the release of histamine and the natural anti-coagulant heparin?
Options
(a) Neutrophils (b) Basophils (c) Eosinophils (d) Monocytes
Correct Answer:
Basophils
Explanation:
Basophil is a […]
Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition
Options
(a) Azotobacter (b) Aspergillus (c) Glomus (d) Trichoderma
Correct Answer:
Glomus
Explanation:
No explanation available. Be […]
Which one of the following generally acts as an antagonist to gibberellins?
Options
(a) Zeatin (b) Ethylene (c) ABA (d) IAA
Correct Answer:
ABA
Explanation:
Gibberellins & ABA are antagonistic with each other. ABA […]
What are those structures that appear as beads-on-string in the chromosomes when viewed under electron microscope?
Options
(a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs
Correct Answer:
Nucleosomes
Explanation:
Under electron microscope the […]
Variation in gene frequencies within populations can occur by chance rather than by natural section. The is referred to as
Options
(a) Genetic drift (b) Random mating (c) Genetic load (d) Genetic flow
Ultrasound of how much frequency is beamed into human body for sonography?
Options
(a) 15 – 30 MHZ (b) 1 – 15 MHZ (c) 45 – 70 MHZ (d) 30 – 45 MHZ
Correct […]
To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes belong?
Options
(a) Cytokine barriers (b) Cellular barriers (c) Physiological barriers (d) Physical barriers
Jaya and Ratna developed for green revolution in India are the varieties of
Options
(a) maize (b) rice (c) wheat (d) bajra
Correct Answer:
rice
Explanation:
Jaya and Ratna are the rice varieties which […]
An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is:
Options
(a) Cuticle (b) Sporopollenin (c) Lignin (d) Cellulose
Correct Answer:
Sporopollenin
Explanation:
Sporopollenin is fatty substance present […]
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