XII TH Biology Test I for Practice
XII TH Biology Test I for Practice
Prof. Dr.Sadhana Nikam
Vice Principal RJ College
M.Sc. B.Ed. PGDDE.Ph.D
Section I A
Q.
Select and write the
correct answer.(MCQs) (Ans indicate by *)
1.
In ovule
meiosis occurs in
a.Integument b. Nucellus
c.Megaspore
*d. Megaspore mother cell
2.The ploidy
level is not
the same
a.Integuments
& nucellus b.Root tip & shoot tip
*c.
Secondary nucleus & endosperm d. Antipodals and synergids.
3.
Which of
these is the
male reproductive organ
in human?
a. sperm b. seminal fluid
*c. testes d. ovary
4.
Rupturing of follicles
and discharge of
ova is known
as
a.capacitation b.gestation *c. ovulation d. copulation
5.
Chromosomal theory of
inheritance was proposed
by
*a.
Sutton & Boveri
b.Watson & Crick c.Miller
& Urey d. Oparin
& Halden
6.
Phenotypic ratio of
incomplete dominance in Mirabilis jalapa
a.
2:1:1 *b. 1:2:1
c. 3:1 d.
2:2
7.
Griffith worked on
---------
a.Bacteriophage b. Drosophila c.Frog eggs *d) Streptococcus pneumoniae.
8. The
molecular knives of
DNA are --------
a. Ligases b. Polymerases
*c.Endonucleases d. Transcriptase
9.
------- can be considered
as connecting link
between ape and
man.
* a. Australopithecus b.
Homo habilis c.Homo
erectus d. Neanderthal man.
10.
The cranial capacity
of Neanderthal man
was ------
a. 600 cc b. 940 cc
*c.1400 cc d.1600 cc.
Comments
Post a Comment