CDS General Knowledge 2026 Question Paper

The central cytoplasmic region of a prokaryotic cell containing nucleic acids is called :

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 ?

The antibiotic penicillin can kill invading bacteria without harming human cells because it targets bacterial :

A researcher is studying different types of cells. In which cell type will he/she encounter the highest number of lysosomes ?

Which one of the following is not a function of the pigment carotenoid ?

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 ?

In humans, which chamber of the heart receives oxygen-rich blood from the lungs first ?

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 ?

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

Which one among the following pairs of diseases and their types is not correctly matched ?