Biology Sample Paper Class 11 CBSE with Solution. We covered all the Biology Sample Paper Class 11 CBSE with Solution MCQs in this post for free so that you can practice well for the exam.
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Biology Objective Sample Paper Class 11 CBSE with Solution for Students
The mammalian heart is myogenic and it is regulated by nerves. The heartbeat originates from:
(a) Sinoatrial node
(b) QRS wave
(c) T wave
(d) Hepatic portal system
Option a – Sinoatrial node
Wheat is a:
(a) Creeper
(b) Herb
(c) Shrub
(d) Tree
Option b – Herb
The process of copying genetic information from one strand of DNA into RNA is termed as:
(a) Translation
(b) Transcription
(c) Replication
(d) Mutation
Option b – Transcription
AIDS is caused by the Human Immuno-deficiency Virus (HIV). The transmission of HIV infection generally occurs through:
(a) Eating contaminated food and water
(b) Transfusion of contaminated blood and blood products
(c) Inhaling polluted air
(d) Shaking hands with an infected person
Option b – Transfusion of contaminated blood and blood products
Most viruses that infect plants possess:
(a) Single-stranded DNA
(b) Single-stranded RNA
(c) Double-stranded DNA and RNA
(d) Double-stranded RNA only
Option b – Single-stranded RNA
Syngamy results in the formation of:
(a) Haploid zygote
(b) Diploid zygote
(c) Non-motile male gametes
(d) Motile male gametes
Option b – Diploid zygote
Bleeding of gums, falling of teeth, fragile bones, and delayed wound healing occur due to the deficiency of which one of the following vitamins?
(a) Vitamin C
(b) Vitamin K
(c) Vitamin D
(d) Vitamin B
Option a – Vitamin C
Kwashiorkor disease in children is caused by:
(a) Sufficient carbohydrates but fewer fats in the diet
(b) Sufficient carbohydrates and fats but deficient proteins in diet
(c) Sufficient vitamins but deficient fats in diet
(d) Sufficient fats but deficient vitamins in diet
Option b – Sufficient carbohydrates and fats but deficient proteins in diet
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