CDS Exam (I)- 2026 - General Knowledge Defence Question Paper

CDS Previous Year Question Papers Question Papers
CDS Exam (I)- 2026 - General Knowledge

CDS Exam (I)- 2026 - General Knowledge Defence Questions

1.
The central cytoplasmic region of a prokaryotic cell containing nucleic acids is called:
A.
Nucleus
B.
Nucleoid
C.
Nucleolus
D.
Plastid
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ANSWER :
B. Nucleoid
2.
Nearly all infants benefit from milk, but most adults cannot properly digest milk. If an elderly person can still digest milk, his body is producing enough of which enzyme?
A.
Cellulase
B.
Amylase
C.
Pectase
D.
Lactase
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ANSWER :
D. Lactase
3.
The antibiotic penicillin can kill invading bacteria without harming human cells because it targets bacterial:
A.
Cell wall
B.
Plasma membrane
C.
Ribosome
D.
Chromosome
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ANSWER :
A. Cell wall
4.
A researcher is studying different types of cells. In which cell type will he/she encounter the highest number of lysosomes?
A.
Pancreatic cell
B.
Ovarian cell
C.
Muscle cell in the thigh of a runner
D.
White blood cell
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ANSWER :
D. White blood cell
5.
Which one of the following is not a function of the pigment carotenoid?
A.
Responsible for yellow-orange hues of autumnal leaves
B.
Protecting chlorophyll from photo-oxidation
C.
Photoprotective role in our eyes
D.
Reaction centre in the pigment system
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ANSWER :
D. Reaction centre in the pigment system
6.
A world chess champion has curly hair, attached earlobes and freckles. Which one of the following traits is not likely to be passed on to his/her offsprings?
A.
Chess skills
B.
Curly hair
C.
Attached earlobes
D.
Freckles
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ANSWER :
A. Chess skills
7.
In humans, which chamber of the heart receives oxygen-rich blood from the lungs first?
A.
Left atrium
B.
Right atrium
C.
Left ventricle
D.
Right ventricle
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ANSWER :
A. Left atrium
8.
Consider the following statements with reference to manure and organic farming:
1. Vermicompost is rich in organic matter and nutrients.
2. Biofertilizers and bio-pesticides are not used in organic farming.
3. Crop rotation is beneficial in controlling insects, pests and weeds.
Which of the statements given above is/are correct?
A.
1 only
B.
1 and 3 only
C.
2 and 3 only
D.
1, 2 and 3
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ANSWER :
B. 1 and 3 only
9.

Match List-I with List-II and select the answer using the codes given below the Lists:

List-I (Structure/Organelle) List-II (Function)
A. Mitochondria 1. Maintenance of cell shape
B. Cytoskeleton 2. Detoxification in liver cells
C. Smooth ER 3. Storage of chemicals and cell enlargement
D. Vacuoles 4. Cellular respiration

Code: A B C D

A.

4 2 1 3

B.

4 1 2 3

C.

3 1 2 4

D.

3 2 1 4

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ANSWER :

B. 4 1 2 3

10.
Which one among the following pairs of diseases and their types is not correctly matched?
A.
Polio - Viral disease
B.
Athlete's foot - Fungal disease
C.
Dengue fever - Non-viral disease
D.
Whooping cough - Bacterial disease
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ANSWER :
C. Dengue fever - Non-viral disease
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