Motile zygote of Plasmodium occurs in
Options
(a) Gut of female Anopheles (b) Salivary glands of Anopheles (c) Human RBCs (d) Human liver
Correct Answer:
Gut of female Anopheles
Explanation:
No explanation available. […]
Middle lamella is composed mainly of:
Options
(a) muramic acid (b) calcium pectate (c) phosphoglycerides (d) hemicellulose
Correct Answer:
calcium pectate
Explanation:
Middle lamella is mainly composed of calcium pectate. Calcium is deposited in […]
In an inducible operon, the genes are
Options
(a) Always expressed (b) Usually not expressed unless a signal turns them “on” (c) Usually expressed unless a signal turns them “off” (d) Never expressed
For its action, nitrogenase requires
Options
(a) Mn²⁺ (b) light (c) high input of energy (d) super oxygen radicals
Correct Answer:
high input of energy
Explanation:
Nitrogenases are enzymes used by some organisms […]
Polyethylene glycol method is used for
Options
(a) biodiesel production (b) seedless fruit production (c) energy production from sewage (d) gene transfer without a vector
Correct Answer:
gene transfer without a vector
Explanation: […]
The letter T in T -lymphocyte refers to
Options
(a) Thalamus (b) Tonsil (c) Thymus (d) Thyroid
Correct Answer:
Thymus
Explanation:
No explanation available. Be the first to write the explanation for this […]
Peripatus is a connecting link between:
Options
(a) Mollusca and Echinodermata (b) Annelida and Arthropoda (c) Coelenterata and Porifera (d) Ctenophora and Platyhelminthes
Correct Answer:
Annelida and Arthropoda
Explanation:
No explanation available. Be […]
Frogs differ from humans in possessing:
Options
(a) paired cerebral hemispheres (b) hepatic portal system (c) nucleated red blood cells (d) thyroid as well as parathyroid
Correct Answer:
nucleated red blood cells
Explanation:
Human […]
During muscle contraction in humans the
Options
(a) Actin filaments shorten (b) Sarcomere does not shorten (c) A band remain same (d) A, H and I bands shorten
Correct Answer:
A band remain same
Darwin’s finches are a good example of:
Options
(a) Industrial melanism (b) Connecting link (c) Adaptive radiation (d) Convergent evolution
Correct Answer:
Adaptive radiation
Explanation:
No explanation available. Be the first to write […]
2017 Copyright Doctor Dreams Training Academy