MEDIUM
DRDO MTS Tier - II
IMPORTANT
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Which of the following are involved in the making up of a DNA nucleotide ?

1. Phosphoric

2. Deoxyribose sugar

3. Nitrogenous base

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Important Questions on Biology

MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 382
Which of the following organelles is present in bacteria or prokaryotic cell?
MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 383
The unit structure of which gene is made up of is :
MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 384
A molecule of glucose on complete oxidation yields _____ ATP molecules in case of aerobic respiration.
MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 386

Which of the following is the correct sequence of the different phases of mitotic division ?

1. Metaphase

2. Anaphase

3. Prophase

4. Telophase

MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 387

In which one of the following types of cell divisions does crossing over of chromosomes takes place ?

EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 388

A scientist was treating pathogenic bacteria with different chemicals to see which of them would stop the activity of their ribosomes. Which one of the following processes is the target ?

HARD
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 389

The source of immediate energy for cellular activity is :

HARD
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 3 - Biology>MCQs>Q 390

The part of the cell which is essential for protein synthesis is _____.