Home
Class 12
BIOLOGY
Read the given statements and select the...

Read the given statements and select the option correctly stating which ones are true (T) and which ones are false (F).
I. BCG vaccine gives protection against tuberculosis .
II. Entamoeba histolytica resides in jejunum and ileum parts of the small intestine and is more common in females than males.
III. Man is the primary host whereas sheep is the secondary host in life cycle of Ascaris lumbricoides.
IV. Chemical formula of morphine is `C_(17)H_(19)NO_(3)`.

A

`{:(I,II,III,IV),(T,F,F,F):}`

B

`{:(I,II,III,IV),(T,F,F,T):}`

C

`{:(I,II,III,IV),(F,T,F,T):}`

D

`{:(I,II,III,IV),(F,T,T,T):}`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to analyze each statement and determine whether they are true (T) or false (F). ### Step-by-Step Solution: 1. **Statement I: BCG vaccine gives protection against tuberculosis.** - The BCG (Bacillus Calmette-Guérin) vaccine is indeed used to protect against tuberculosis, which is caused by the bacterium Mycobacterium tuberculosis. - **Conclusion:** This statement is **True (T)**. 2. **Statement II: Entamoeba histolytica resides in jejunum and ileum parts of the small intestine and is more common in females than males.** - Entamoeba histolytica is known to cause amoebic dysentery and primarily resides in the large intestine, not the jejunum and ileum of the small intestine. Additionally, it is not specifically more common in females than males. - **Conclusion:** This statement is **False (F)**. 3. **Statement III: Man is the primary host whereas sheep is the secondary host in the life cycle of Ascaris lumbricoides.** - Ascaris lumbricoides, the roundworm, primarily infects humans and does not have a secondary host; it is a single-host parasite. - **Conclusion:** This statement is **False (F)**. 4. **Statement IV: Chemical formula of morphine is C17H19NO3.** - The chemical formula for morphine is indeed C17H19NO3. - **Conclusion:** This statement is **True (T)**. ### Final Summary of Statements: - I: True (T) - II: False (F) - III: False (F) - IV: True (T) ### Correct Option: The correct option that states the true and false values is: - 1 is True, 2 is False, 3 is False, 4 is True.
Promotional Banner

Similar Questions

Explore conceptually related problems

BCG vaccine provides protection against

Entamoeba histolytica resides in human alimentary canal

Consider the folloiwng four statements and select the correct option stating which one are true(T) and which ones are false(F)

BCG vaccine provides protection from:

………………vaccine gives considerable protection against tuberculosis.

BCG vaccine is given against

Haemophilia is more common in males than females, because it is

Triatoma infestans is the intermediate host in the life cycle of

Which vaccine is given to prevent tuberculosis?