Current Affairs 2021 PDF

To crack any competitive exam like SSC, Railways, Insurance, UPSC, CLAT, Banking, State PSC Exams and other exams it is very important to answer all current affairs questions correctly. Gkseries Updates Current Affairs and Q&A packages in compiled and sorted topic wise to ensure easy accessibility of the information.

Buy Now

Objective Questions with Answers on Biology

36 Arrangement of chromosomes in the order of decreasing length is termed as
A Pedigree
B Eugenetics
C Idiogram
D Dysengenics

Answer: Option [C]
37 Traits controlled by genes located on autosomes are said to be
A sex affected
B sex influenced
C sex linked
D genetic traits

Answer: Option [D]
38 Tjio and Levan's contribution is very significant because they
A gave the number of human chromosomes
B pointed out mutational changes
C identified barr bodies
D detected sex linkage

Answer: Option [A]
39 Polytene or giant chromosomes are found in
A Salvary glands of man
B Salvary glands of woman
C Salvary glands of all animals
D Salvary glands of Drosophila

Answer: Option [D]
40 Telocentric chromosome differs from acrocentric chromosome in that
A The former has subterminal centromere whereas the later has a centrally located centrosome
B The centromere in the former is terminal and the later is subterminal
C The former has a terminal centromere and the later has a medially located centromere
D None of the above

Answer: Option [B]

NCERT Class 12 Biology Solved Multiple Choice Questions

Read More Biology Questions


UPSC Biology Questions & Answers

General Knowledge

Month-wise Current Affairs 2021

Category-wise Current Affairs

Jobs by Qualification

Free Mock Test