Biology Today - February 2018

I. Gap junctions cement adjacent cells together. II. Areolar tissue contains fibroblasts, macrophages and mast cells. III. Tight ...

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of the blood corpuscles are formed in the red bone marrow of long bones. Lymphocytes are formed in thymus, spleen, lymph nodes, ...

The vertebral formula of humans is (a) C 7 T 12 L 5 S(5)C(4) (b) C(7)T 12 L 4 S(5)C(5) (c) C 5 T 10 L 8 S(6)C(4) (d) C 5 T 10 L ...

(b) Both statements A and B are correct but statement B is not the correct explanation of statement A. (c) Statement A is correc ...

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An immunosuppressive hormone is (a) aldosterone (b) vasopressin (c) cortisol (d) Collip’s hormone. Which of the following state ...

.H\LVSXEOLVKHGLQWKLVLVVXH6HDUFKQRZ! - Check your score! If your score is > 90% EXCELLENT WORK! You are well prepared ...

Which of the following is true regarding birds? A. Skin dry without glands, except uropygial gland B. Long bones pneumatic C. C ...

(a) It is a bony fish with four pair of gills with ctenoid scales. (b) It is a cartilaginous fish with seven pair of gills witho ...

Which of the following is wrong statement? (a) Snakes and lizards shed their scales as skin cast. (b) Reptile, fish and amphibi ...

In which one of the following, the genus name, its two characters and its phylum are not correctly matched? Genus Name Charact ...

Class XII Analysis of various PMTs from 2013-2017 2013 2014 2015 2016 2017 AIPMT/NEET 31364 AIIMS 12–13 AMU 115–– Kerala –325– K ...

Landscape Unit of land distinguished by a natural boundary and having patches of different ecosystems, HJ, Southern peninsula. ...

Differences between habitat and niche Only one species can live in one ecological niche. A species may change its niche with age ...

Chapparal Location : Found in Mediterranean area (hence called Mediter- ranean scrub forest), Pacific coast of North America, Ch ...