An alga which can be employed as food for human beings:
Options
(a) Ulothrix (b) Chiarella (c) Spirogyr (d) Polysiphonia
Correct Answer:
Chiarella
Explanation:
No explanation available. Be the first to write the […]
A marine cartilaginous fish that can produce electric current is:
Options
(a) Pristis (b) Torpedo (c) Trygon (d) Scoliodon
Correct Answer:
Torpedo
Explanation:
Torpedo is a sluggish fish. It is carnivorous. The prey is […]
A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is:
Options
(a) myxine (b) Neomyxine (c) Petromyzon (d) Eptatretus
Correct Answer:
Petromyzon
Explanation: […]
Cellulose digestion in termites is carried out by
Options
(a) Monocystis (b) Trichomonas (c) Trichonympha (d) Lophomonas
Correct Answer:
Trichonympha
Explanation:
No explanation available. Be the first to write the explanation for this […]
Marines fishes drink sea water to
Options
(a) meet their body salt requirements (b) compensate loss of water from their body (c) flush out nitrogenous wastes from their body (d) achieve all the […]
The members of which of the following phyla possess specialized stinging cells having poison filled barbed threads?
Options
(a) protozoa (b) porifera (c) coelenterata (d) rotifera
Correct Answer:
coelenterata
Explanation:
No explanation available. […]
What is the similarity between fly, mosquitoes and cockroach?
Options
(a) 13 chamber heart (b) open excretory system (c) all have 3 pairs of legs (d) all belong to class insecta
Correct Answer: […]
Calotes versicolor belongs to class
Options
(a) osteichthyes (b) amphibia (c) reptilia (d) aves
Correct Answer:
reptilia
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Mammalian brain differs from an amphibian brain in possessing
Options
(a) olfactory lobes (b) cerebellum (c) corpus callosum (d) hypothalmus
Correct Answer:
corpus callosum
Explanation:
No explanation available. Be the first to write […]
The long neck of camel is due to
Options
(a) muscle in between two vertebra (b) increase in length of cervical vertebra (c) bony plate between two vertebra (d) none of the above
2017 Copyright Doctor Dreams Training Academy