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Which of the following statement(s) is/are CORRECT for antigen activated effector T cells?
P. CD4+ cells make contact with macrophages and stimulate their microbicidal activity.
Q. CD4+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
S. CD8+ cells make contact with virus infected cells and kill them.
Regarding the Indian economy, which of the following reflect, unprecedented suspension of economic activity in the first quarter of this fiscal (April - June) due to the Covid pandemic (a) Contraction of around 50.3% in the construction sector (b) Contraction of around 39.3% in the manufacturing sector (c) Contraction of around 10% in the Agri, forestry and fishing sector (d) Contraction of around 5% in the Trade, hotels, transport sector
In the question two statements are given, followed by two conclusions, I and II. Read all the conclusions and then decide which of the given conclusions logically follow/s from the given statements. Statements: All white blood cells are red blood cells. Some blood cells are red blood cells. Conclusions: I. All blood cells are red blood cells, is a possibility. II. Some red blood cells are not blood cells.
Which of the following statements are correct in the context of agents of socialization: (I) The agents or agencies of socialization are those institutions that contribute to the process of socialization of an individual. (II) The secondary agents of socialization include family members and relatives as the child begins to interact with them since his birth. (III) The primary agents of socialization include those institutions which help a child in his socialization in the later years of his life and continue throughout his life.
Agents causing contraction of the messangial cells are
Consider the following statements in respect of the offence of robbery:
1. Causing fear of death may be relevant
2. Causing hurt may be relevant
3. Causing fear of hurt may be relevant
4. Causing wrongful restraint may be relevant
Which of the statements given above are correct?
A dowel bar is placed at a contraction joint. When contraction occurs, the concrete slab cracks at predetermined location(s). Identify the arrangement, which shows the correct placement of dowel bar and the place of occurrence of the contraction crack(s).
Which of the following statements are NOT true? a) The number of cells in an elephant is more than number of cells in a monkey b) The size of cells in an elephant is larger than size of cells in a monkey c) Shape of cells in an elephant is different than shape of cells in a monkey
Consider the following statements regarding the Structure of cells: 1. Both Animal & Plant cells comprise amyloplast within the cell membrane. 2. Plant cells have plasmodesmata channels whilst animal cells do not. 3. Vacuoles in both plant cells & animal cells are always filled with solid substances. Which of the statement given above is/are not correct? 
Which of the following statements are correct regarding common differences between plant and animal cells?
1. Plant cells have cellulose cell wall, while animal cells lack it.
2. Plant cells lack plasma membrane, while animal cells have it.
3. Mature plant cell have a large vacuole, while animal cells have numerous small vacuoles.