Selaginella and Salvinia are considered to represent a significant step toward
Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because: Options (a) female gametophyte…
8 years ago
Biology
Which one of the following aspects is an exclusive characteristic of living
Which one of the following aspects is an exclusive characteristic of living things ? Options (a) Isolated metabolic reactions occur…
8 years ago
Algae have cell wall made up of
Algae have cell wall made up of Options (a) cellulose,galactans and mannas (b) hemicellulose,pectins and proteins (c) pectins, cellulose and…
8 years ago
Some hyperthermophilic organisms that grow in highly acidic habitats belong
Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups: Options (a) Eubacteria and archaea…
8 years ago
Heartwood differs from sapwood in:
Heartwood differs from sapwood in: Options (a) presence of rays and fibres (b) absence of vessels and parenchyma (c) having…
8 years ago
Which one of the following statements about certain given animals is correct?
Which one of the following statements about certain given animals is correct? Options (a) Round worms (Aschelminthes) are pseudocoelomates (b)…
8 years ago
Which statements about Spongilla, Leech, Dolphin and Penguin is correct?
Which one of the following statements about all the four of Spongilla, Leech, Dolphin and Penguin is correct? Options (a)…
8 years ago
Which one of the following is correct pairing of a body part and the kind of muscle
Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves…
8 years ago
Which one of the following correctly describes the location of some body parts
Which one of the following correctly describes the location of some body parts in the earthworm Pheretima ? Options (a)…
8 years ago
Select important features distinguishing Gnetum from Cycas and Pinus
Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms…
8 years ago