Home
Class 12
BIOLOGY
A doctor found that a patient can resist...

A doctor found that a patient can resist many bacterial diseases by producing antibodies . But he is highly susceptible to viral infections. This may be due to the reduced number of one of the following cells. Identify the cells. a)Thrombocytes b)T-Lymphocyte c)Spleen cells d)Erythrocyte

A

Thrombocytes

B

T-Lymphocyte

C

Spleen cells

D

Erythrocyte

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Read the following statements and find out the incorrect statements. a. Each testicular lobule contains one to three highly coiled seminiferous tubules in which sperm are produced b. Each seminiferous tubule is lined on its inside by two types of cells called Leydig cells and Sertoli cells. c. The region outside the seminiferous tubules called interstitial space, contain small blood vessels and male germ cells (spermatogonia) which lead to sperm formation. d. In testis immunologically component cells are also present. e. The seminiferous tubules of the testis open into the rete testis through vasa efferentia.

Read the following statements and find out the incorrect statements. a. The placenta is located inside the locule. Arising from the placenta are the ovules. b. The number of ovules in an ovary may be one (papaya, watermelon and orchids) to many (wheat, paddy and mango). c. Each ovule has one or two protective envelops called integuments. d. Integuments encircle the ovule except at the tip where a small opening called the chalaza is organised. Opposite the chalaza is the micropylar end. e. Enclosed within the integuments is a mass of cells called the perisperin.

Read the following statements and find out the incorrect statements. a. Ovules generally differentiate a single megaspore mother cell (MMC) in the chalazal region of the nucellus. b. The MMC undergoes reduction division and produces four megaspores. c. In a majority of angiosperms, one of the megaspore is degenerated while the other three remains functional. d. The nucleus of the functional megaspore divides mitotically three times and form 2-nucleate, 4-nucleate and later 8-nucleate stages of the embryo sac. e. These mitotic division are strictly free nuclear, that is, nuclear division are immediately followed by cell wall formation.