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Which one among the following is needed for tissue culture?

Identify the set with a common feature.

Why
are powdered substances more effective adsorbents than their
crystalline forms?

The sex chromosome of male grasshoppers possess:

What are the various public health measures, which you would suggest as safeguard against infectious diseases ?

DNA Polymerase adds nucleotides to the free ___ end of RNA primers.

Identify the following chondrichthyes fishes.

Question 4:

Match the following.
$\begin{array}{cc}\text{Column~I}& \text{Column~II}\\ A.IAA& 1.HerringspermDNA\\ B.ABA& 2.Bolting\\ C.Ethylene& 3.Stomatalclosure\\ D.GA& 4.Weed-freelawns\\ E.cytokinins& 5.Ripeningoffruits\end{array}$
Codes
$\begin{array}{ccccc}A& B& C& D& E\\ \left(a\right)4& 3& 5& 2& 1\\ \left(b\right)5& 3& 4& 2& 1\\ \left(c\right)4& 1& 4& 3& 2\\ \left(d\right)5& 3& 2& 1& 4\end{array}$

Consider the following four statements regarding the nervous system of a cockroach and choose the correct option indicating as true (T) or false (F) respectively.

1. The Brain of a cockroach is primitive and is made of 2 supra-oesophageal and 1 sub-oesophageal ganglia, connected by 2 circum-oesophageal connectives.

2. It has 3 thoracic and 6 abdominal, segmental ganglia.

3. All the Sensory organs are under the control of the brain directly.

4. Receptors are of tactile, chemo and photo sensory in nature

Read the following statements 1-5 and answer the question which follows them:

1. In liverworts, mosses and ferns gametophytes are free living.

2. Gymnosperms and some ferns are heterosporous.

3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous.

4. The sporophyte in liverworts is more elaborate than that in mosses.

5. Both Pinus and Marchantia are dioecious.

Which of the above statements are correct?

Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution?

The _________ of a flower together form the corolla.

Common energy source in Indian villages is:

Which of the following property of muscle, is related to nervous stimulation?

Neurons are well-protected by protein sheaths and supported functionally by widely distributed glial cells in 10:1 ratio. The supporting glial cells are classififed by their size into ___________________ & _________________.

Which among the following seeds can be dispersed by this dog?

There is no natural death in single-celled organisms like and bacteria because

What is denoted by X and Y in the given graph?

Which of the following matches correctly?

Question 3

Why are the small numbers of surviving tigers a cause of worry from the point of view of genetics?

___ is a mode of reproduction that involves fusion of female gamete and male gamete.

Go through the following statements: (i) The stroke volume multiplied by heart rate gives the cardiac output. (ii) The second heart sound is associated with the closure of semilunar valves. (iii) Heart failure is the same as cardiac arrest or a heart attack. Which of these are correct?

Secondary growth is initiated by ______

Early anaphase in mitosis is characterized by the:

Slime moulds are ecologically

A dopamine tract from the hypothalamus plays an important role in regulating the release of prolactin. All of the following are true regarding prolactin except

equals

A.

B.

C.

D.

Complete the following blanks, regarding lung volumes and capacities.
i. First lung capacity (FRC)$⟶$ERV+RV= ________.
ii. Inspiratory capacity (IC)$⟶$ TV+IRV= ________.
iii. Vital capacity (VC)$⟶$IC+ERV= ________.

iv. Total lung capacity $⟶$RV+VC= ________.

Which one of the following most accurately characterizes the author's attitude toward placebo treatment?

Choose the correct statement about Natural killer cells.