Questions

A dicot plant lacking cotyledons is

A dicot plant lacking cotyledons is Options (a) Cuscuta (b) Santalum (c) Lodoicea (d) None of these Correct Answer: CuscutaExplanation:No…

The oxygen toxicity is related with

The oxygen toxicity is related with Options (a) blood poisoning (b) collapse of alveolar walls (c) failure of ventilation of…

Crop rotation is used by farmers to

Crop rotation is used by farmers to Options (a) increase soil fertility (b) increase N₂ content of soil (c) increase…

Pattern of cleavage in frog’s egg is

Pattern of cleavage in frog's egg is Options (a) holoblastic (b) holoblastic and unequal (c) holoblastic and equal (d) all…

Baterial photosynthesis does not show

Baterial photosynthesis does not show Options (a) photosystem I (b) utilization of energy (c) evolution of oxygen (d) formation of…

Which of the following causes plague?

Which of the following causes plague? Options (a) Yersinia pestis (b) Trichinella spiralis (c) Leishmania donovani (d) Salmonella typhimurium Correct…

Photophosphorylation was discovered by

Photophosphorylation was discovered by Options (a) Arnon (b) Hill (c) Ruben and Kamen (d) Calvin Correct Answer: ArnonExplanation:No explanation available.…

To get haploid callus, one can culture

To get haploid callus, one can culture Options (a) pollen grain (b) embryos (c) leaf tissue (d) stigma Correct Answer:…

Muscles which are immune to fatigue are

Muscles which are immune to fatigue are Options (a) unstriped muscle (b) cardiac muscle (c) jaw muscle (d) skeletal muscle…

Sewage pollution is not responsible for

Sewage pollution is not responsible for Options (a) increase in oxygen concentration (b) decrease in oxygen concentration (c) reduction in…