Which one of the following statements is wrong?
Which one of the following statements is wrong?
Options
(a) Agar – agar is obtained from Gelidium and Gracilaria (b) Chlorella and Spirulina are used as space food (c) Mannitol is stored food […]
Biology
Which of the following represents the correct combination without any exception?
Which of the following represents the correct combination without any exception?Characteristics – Class
Options
(a) Mouth ventral, gills withoutoperculum; skin with placoidscales; persistent notochord – Chondrichthyes (b) Sucking and circular mouth;jaws absent, integument […]
Which of the following animals is not viviparous?
Which of the following animals is not viviparous?
Options
(a) Elephant (b) Platypus (c) Whale (d) Flying fox (Bat)
Correct Answer:
Platypus
Explanation:
Platypus is oviparous (egg laying animal). It belongs to class – […]
The terga, sterna and pleura of cockroach body are joined by :
The terga, sterna and pleura of cockroach body are joined by :
Options
(a) Muscular tissue (b) Arthrodial membrane (c) Cartilage (d) Cementing glue
Correct Answer:
Arthrodial membrane
Explanation:
Between the various sclerite, a […]
Read the following five statements(A to E) and select the option with all correct
Read the following five statements(A to E) and select the option with all correct statements : (A)Mosses and Lichens are the first organisms to colonise a bare rock (B)Selaginella is ahomosporous pteridophyte (C)Coralloidroots in Cycas […]
Male gametophytein angiosperms produces:
Male gametophytein angiosperms produces:
Options
(a) Single sperm and vegetative cell (b) Single sperm and two vegetative cells (c) Three sperms (d) Two sperms and a vegetative cell
Correct Answer:
Two sperms and […]
In angiosperms, microsporogenesis and megasporogenesis :
In angiosperms, microsporogenesis and megasporogenesis :
Options
(a) form gametes without further divisions (b) Involve meiosis (c) occur in ovule (d) occur in anther
Correct Answer:
Involve meiosis
Explanation:
No explanation available. Be […]
Body having meshwork of cell, internal cavities lined with food filtering flagellated
Body having meshwork of cell, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum
Options
(a) Porifera (b) Mollusca (c) Protozoa (d) Coelenterate
Correct Answer:
Porifera
An alga which can be employed as food for human beings:
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:
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 […]