Yearly Archives: 2021

1.HIV attacks : ( A ) B-lymphocytes ( B ) Antibodies ( C ) T-lymphocytes ( D ) Erythrocytes Answer-( C )   2. Aquatic fern which is an excellent…

1. Major radiation of mammals, birds and pollinating insects took place in which epoch? ( A ) Oegocene ( B ) Eocene ( C ) Pliocene ( D ) Palaeocene…

1. In DNA , the nitrogenous bases are : ( A ) ATUC ( B ) AUGC ( C ) UTGC ( D ) ATGC Answer-( D )   2.…

1. A tall plant on selfing produce tall and dwarf both What are the probabilities that first offspring will be ?  ( A ) tall ( B ) dwarf (…

1. Which mechanical device to control child birth is fitted on the cervix ? ( A ) Diaphragm ( B ) Condom ( C ) Loop ( D ) Copper…

1. The part of fallopian tube closest to the ovary is : ( A ) isthumus ( B ) infundibulum ( C ) cervix ( D ) ampulla Answer-( B…

1. Paedogenesis is found in the larvae of : ( A ) Taenia ( B ) Fasciola ( C ) Rana ( D ) Butterfly Answer-( B ) 2. Oblique binary…

1. Tapetum which develops into ovule is called : (A) amoeboid tapetum (B) glandular tapetum (C) integumentary tapetum (D) flagellar tapetum Ans – (C)   2. In angiosperms, all the…