MHT CET · BIOLOGY · STD 12 - 10. Human Health and Diseases
Select the CORRECT statement
- A Helper T-cells stimulate proliferation of other T-cells in immune response.
- B Opsonisation reaction of antibodies causes clumping together of foreign invading bacteria and viruses.
- C The helper T-cells are deactivated by sensitized antigen presenting cells.
- D Natural killer cells represent specific defence mechanism against viral infections and tumours.
Answer & Solution
Correct Answer
(A) Helper T-cells stimulate proliferation of other T-cells in immune response.
Step-by-step Solution
Detailed explanation
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from BIOLOGY
- Graves' disease is characterised by the following EXCЕРТ,MHT CET 2017 Medium
- The Human Genome Project formally began in A and was completed in B .MHT CET 2021 Medium
- Which one of the following enzyme is required for entry of Lactose in the E. coli cell?MHT CET 2024 Medium
- In the processing of hnRNA in eukaryotic cell, the primary transcripts are processed in the following sequence.MHT CET 2024 Medium
- IUCN maintains red data book for __________MHT CET 2023 Medium
- During DNA finger printing, the ds-DNA splits into ssDNA by ________ treatment.MHT CET 2023 Medium
More PYQs from MHT CET
- Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of -MHT CET 2016 Hard
- A body of mass ' \(\mathrm{m}\) ' attached at the end of a string is just completing the loop in a vertical circle. The apparent weight of the body at the lowest point in its path is ( \(\mathrm{g}=\) gravitational acceleration)MHT CET 2023 Medium
- If \(\bar{x}=\frac{\overline{\mathrm{b}} \times \overline{\mathrm{c}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \bar{y}=\frac{\overline{\mathrm{c}} \times \overline{\mathrm{a}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}\) and \(\overline{\mathrm{z}}=\frac{\overline{\mathrm{a}} \times \overline{\mathrm{b}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}\) where \(\overline{\mathrm{a}}, \overline{\mathrm{b}}, \overline{\mathrm{c}}\) are non-coplanar vectors, then value of \(\bar{x} \cdot(\overline{\mathrm{a}}+\overline{\mathrm{b}})+\bar{y} \cdot(\overline{\mathrm{~b}}+\overline{\mathrm{c}})+\overline{\mathrm{z}} \cdot(\overline{\mathrm{c}}+\overline{\mathrm{a}})\) isMHT CET 2024 Hard
- Which from following is used as catalyst in Fisher Tropsch process for the synthesis of gasoline?MHT CET 2025 Easy
- A sample of calcium carbonate has the following percentage composition. \(\mathrm{Ca}=40 \%, \mathrm{C}=12 \%\) and \(0=48 \%\) According to law of definite proportion the weight of calcium in \(4 \mathrm{~g}\) of a sample of calcium carbonate from another source will be (at. no. \(\mathrm{Ca}=40, \mathrm{C}=40, \mathrm{C}=12,0=16\) )MHT CET 2020 Medium
- MHT CET 2016 Easy