CBSE 2023 · Region 3 · Set 1 · Q7 · 1 mark
Select the options which is/are incorrect statement(s) with respect to T-lymphocytes in the human body.(i)They are a type of white blood cells.(ii)They are produced in bone marrow.(iii)They remain active at all times in the body.(iv)They mature in the bone marrow.
Select the options which is/are incorrect statement(s) with respect to T-lymphocytes in the human body.
(i)
They are a type of white blood cells.
(ii)
They are produced in bone marrow.
(iii)
They remain active at all times in the body.
(iv)
They mature in the bone marrow.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
(iii) only
Human Health and DiseaseImmunityRemembermcqmedium
More from Human Health and Disease
- Name the category of drugs represented by the chemical structure given above. If the methyl group is…2023 · asked 3×
- Lactobacillus that sets milk into curd is categorised as:2024 · asked 3×
- Explain, giving two reasons, how immune response by "vaccine" is different from that by "antitoxin" in humans.2022 · asked 3×
- Student to attempt either option or. Describe any two situations where a medical doctor would recommend…2025 · asked 3×
- (i) Draw the structure of an antibody molecule and label any four of its parts. (ii) Differentiate between…2026 · asked 3×
- Assertion: Virus-infected cells produce interferons. Reason (R): Interferons can cause inflammation of…2024 · asked 3×
- Out of the following, select the correct match:2025 · asked 3×
- Though filariasis is not fatal, but the disease in humans is responsible for considerable suffering, gross…2022 · asked 3×
CBSE Class 12 Biology past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.