Biology Mcqs

The type of plastids which help in pollination is_________?

(A) Chromoplasts

(B) Leucoplasts

(C) Chloroplasts

(D) All of these

Submitted By: Ali Uppal


Sickle cell anemia is an example of_________________?

(A) Chromosomal aberration

(B) Insertion of gene

(C) Deletion of gene

(D) Point mutation

Submitted By: Ali Uppal


Embryonic induction is caused by part developing from_____________?

(A) Endoderm

(B) Ectoderm

(C) Mesoderm

(D) Extraembryonic layers

Submitted By: Ali Uppal


The place of centromere where spindle fibres get attached is_________?

(A) Kinetochore

(B) Kinochore

(C) Centromere region

(D) all of these

Submitted By: Ali Uppal


Which of the following is an autosomal disorder______________?

(A) Down’s syndrome

(B) Klinifelter’s syndrome

(C) Turner’s syndrome

(D) Jacob’s syndrome

Submitted By: Ali Uppal


Which of the following combination is an example of self replicating organelles?

(A) Mitochondria Ribosomes

(B) Mitochondria Nucleus

(C) Mitochondria Chloroplast

(D) Mitochondria Vacuole

Submitted By: Ali Uppal


Okazaki fragments are connected together through action of_________________?

(A) Primase

(B) Polymerase

(C) Helicase

(D) Ligase

Submitted By: Ali Uppal


Chlorophyll molecule contrains __________ as central metal ion.

(A) Fe2+

(B) Mg2+

(C) Zn2+

(D) Cu2+

Submitted By: Ali Uppal


Yellow cytoplasm in ascidian gives rise to______________?

(A) Epidermis

(B) Muscle cells

(C) Gut

(D) Notochord

Submitted By: Ali Uppal


Submitted By: Ali Uppal