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Which is the type of Gene that can express in both Homozygous and Heterozygous Conditions?

Oxytocin is produced by ___ and is secreted into the bloodstream by ___

Why are some organisms called parasites?

Amino acids are organic compounds that contain amino and carboxylic groups. In the form of proteins, amino acid residues form the second-largest component of human muscles and other tissues. Beyond their role as residues in proteins, amino acids participate in a number of processes such as neurotransmitter transport and biosynthesis.



Serine $\left(HOC{H}_{2}CH\right(N{H}_2\left)COOH\right)$ is an essential amino acid. The correct Fisher projection od serine is:

The ___ in Ganong's potometer marks the progress of transpiration.

Assertion: Breathing rate in aquatic animals is high.

Reason: Availability of dissolved oxygen in water is high.

Match the following.
$\begin{array}{cc}Column-I& Column-II\\ \left(i\right).Calyx& 1.Whorlofcarpels\\ \left(ii\right).Corolla& 2.Whorlofstamens\\ \left(iii\right).Androecium& 3.Whorlofsepals\\ \left(iv\right).Gynoecium& 4.Whorlofpetals\end{array}$

If natality rate is parallel to mortality rate then population

Among the following which is the most fundamental characteristic of all living organisms?

The offsprings are showing four combinations and parents are different in two specific pairs of genes.Such four combinations are result of ________

These are minute biconcave disc-like structures, flat in the centre and thick and rounded at the periphery. What are they?

If you suddenly run a lot, you experience cramps in the leg muscles. Can you think of the reason behind it?

How to draw heart picture In simple steps

When we smell and taste our favorite food, mouth starts watering involuntarily. What is the mechanism behind it?

In humans, the alternative pathway of respiration where pyruvate is converted into a three- carbon compound called lactic acid is found in-

Question 1

In the list of organisms given below, those that reproduce by the asexual method are



(i) banana

(ii) dog

(iii) yeast

(iv) Amoeba



(a) (ii) and (iv)

(b) (i), (iii) and (iv)

(c) (i) and (iv)

(d) (ii), (iii) and (iv)

what is the basic structural and functional unit of excretion

Question 25

Prepare a list of five items that you use daily in the school. Identify from the list such items that can be recycled.

how respiration in plants is different from that in animals?

(i)___ carries blood from digestive tract to liver and (ii)_____carries blood from the liver to the inferior vena cava.

Flowers arise from a modified stem called the -

The vaccine developed by Edward Jenner was against which of the following diseases?

The pairing of homologous chromosomes is called:

The type of micro-organism which causes cholera is ___________.

Name the hormone released by the pituitary gland which helps in growth of the body.

What is parasympatic system

Identify the part of the plant that shows positive geotropism.

State any four differences between photosynthesis and respiration.

The most important structures to receive external stimulus are (1)__ and the system of these organs is called (2)__ .Two major sense organs are (3)__ and (4)__. The sense organs of human body are of (5)__ types.

What are the two types of apomixis?

Mark the incorrect match showing the name of animal; class they belong and their feature:

A gland having endocrine as well as exocrine function is

(a) pituitary (b) thyroid (c) pancreas (d) adrenal

The activities such as the reconstruction of building and restoring water supply are part of which phase of disaster management?