What is the structure that separates the secondary lymphoid organs from the rest of the body?

Which of the following statement is/are correct? Bering Strait- separates Russia and Sakhalin Korea Strait-separates Taiwan and China Luzon Strait- separates Taiwan and Asia Select the correct code from below.

A

Only 3

B

1 and 2

C

2 and 3

D

None of these

Consider the following statements regarding Lamarckism and choose the correct answer:
1. Lamarck believed that change of form of either plants or animals was due to change in environment
2. Lamarck had the idea that organs of plants and animals are developed according to their urgent need
3. Constant use or exercise of organs results in the formation of new organs or increase in size
4. The living beings both plants and animals produce in nature more offsprings than could ordinarily survive

A

Only 1, 2 and 3 are true

B

Only 1, 3 and 4 are true

C

Only 1, 2 and 4 are true

D

Only 2, 3 and 4 are true

In which of the following case we can surely say that the body A is charged: a) When a positively charged body is kept near to body A and it gets attracted b) When a negatively charged body is kept near to body A and it gets attracted c) When a positively charged body is kept near to body A and it gets repelled

A

Only in case a the body A is surely charged

B

Only in case b the body A is surely charged

C

Only in case c the body A is surely charged

D

In all the cases a, b and c the body A is surely charged

Students of Primary, Middle, Secondary and Sr. Secondary classes collected donation for a Relief Fund as shown in the pie chart. If the donation collected from Middle classes was Rs.6,750, then what would be the total amount of money collected by Secondary and Sr.Secondary classes?

A

Rs.9,675

B

Rs.11,700

C

Rs.9,450

D

Rs.12,825

Consider the following statements: 1. Secondary consolidation occurs at constant effective stress. 2. Secondary consolidation is related to dissipation of pore water pressure 3. Secondary consolidation occurs due to the readjustment of soil skeleton after a disturbance during primary consolidation. 4. Rate of secondary consolidation is controlled by the viscous adsorbed layer surrounding clay particle in soil. Which of the above statements are correct?

A

1, 2 and 3

B

2, 3 and 4

C

1, 3 and 4

D

All of the above

In lymphoid organs

A

The Periarteriolar lymphatic sheaths of the spleen are composed mainly of reticular fibers

B

Plasma cells are found in the subcapsular sinus of lymph node

C

Hassallâs corpuscles are found in the cortex of the thymus

D

Tonsils are characterized by the crypts of Lieberkuhn

E

The trabeculae of spleen mainly composed of collagen and elastic fibres

Lymphoid Organs are not responsible for ___________

A

Proliferation of lymphocytes

B

Differentiation of lymphocytes

C

Destruction of lymphocytes

D

Maturation of lymphocytes

True breeding Drosophila flies with curved wings and dark bodies were mated with true breeding short wings and tan body Drosophila, The F₁ progeny was observed to be with curved wings and tan body. The F₁ progeny was again allowed to breed and produced flies of the following phenotype, 45 curved wings tan body, 15 short wings tan body, 16 curved wings dark body and, 6 short wings dark body. The mode of inheritance is

A

Typical Mendelian with curved wings and tan body being dominant

B

Typical non-Mendelian with curved wings and tan body not following any pattern

C

Mendelian with suppression of phenotypes

D

Mendelian with single crossover

Which of the following soil structure is possible for cohesionless soils? (i) Single grained structure (ii) Honey-Comb structure (iii) Flocculated structure (iv) Dispersed structure

A

Only (i)

B

(i) and (ii)

C

(ii), (iii) and (iv)

D

(i), (iii) and (iv)

The band structure in an n-type semiconductor is
Chemical Bonding and Molecular Structure mcq question image

A

I

B

II

C

III

D

IV

What is the structure that separates the secondary lymphoid organs from the rest of the body?

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