TNPSC Biology Study Material in Tamil & English Pdf - 1

Question: 1

Phosphorus is essential for

(A) Stem formation

(B) Root growth

(C) Plant growth

(D) Flowering

Question: 2

The inner concave part of the kidney is called as

(A) Hilus

(B) Medulla

(C) Pyramid

(D) Cortex

Question: 3

Which are called as the cell secretary centers?

(A) Golgi bodies

(B) Protoplasm

(C) Lysosome

(D) Mitochondria

Question: 4

The cell organelle not found in the plants is

(A) Mitochondria

(B) Centrosome

(C) Nucleus

(D) Plastids

Question: 5

The blood cancer is called

(A) Lymphoma

(B) Leukemia

(C) Carcinoma

(D) Sarcoma