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What is chasmogamy and it is chasmogamy and cleistogamy are related with each other?

Fill in the blanks:

The inspiratory and expiratory centres are present in the___(i)____. The Pneumotaxic and the Apneustic centres are present in the___(ii)___. The inspiratory system is basically responsible for___(iii).___ The expiratory system become activated during forced ___(iv)___.

Mitosis is a normal process in a living cell but sudden and abnormal mitosis in an organ will sometime result in:

Select the correct combination of the statements(1- 4) regarding characteristics of pteridophytes.

(1) They are the first group of plants to possess vascular tissues.

(2) Their gametophytes are differentiated into true roots, stem and leaves.

(3) The dominant phase in the life cycle is sporophyte.

(4) Unlike bryophytes, they do not require water for the process of fertilization.

If coronary circulation is removed from the human body, which of the following effects do you think it will have on the body?

In the testes, the sperms are formed by

In the diagram of a bean seed shown alongside, some parts are indicated by alphabets; Choose the answer in which these alphabets correctly match with the parts they indicate

The cork cambium is a/an

In roots, vascular bundles are

Column I Column II

(a) T${}_4$ (i) Hypothalamus

(b) PTH (ii) Thyroid

(c) GnRH (iii) Pituitary

(d) LH (iv) Parathyroid.

Synthetic hormone used as a weedicide is

A virion is a

a)Capsid of virus

b)Nucleus of virus

C)Infectious poisonous fluid

d) Type of interferon

Which layer of the atmosphere has ozone layer in it?

A vasectomy

Biopiracy is related to which of the following?

Juvenile hormone causes:

What will be the number of DNA AND CHROMOSOME respectively after S phase if number of chromosome in root tip cells are 20 -

1)20&20

2)20 & 40

3)40&40

4)40&20

Q19. Consider the following statements about Virtual Bronchoscopy Navigation (VBN):

1. All India Institute of Medical Sciences (AIIMS) has become the country’s first hospital to set up Virtual Bronchoscopy Navigation (VBN).

2. VBN is an advanced facility for diagnosis and treatment of patients with small tumour-like spots in the lungs, which can be cancerous.

Which of the above statements are correct?

Choose the correct statement about animal breeding.

Give an
example for:

(a)
An endothermic animal

(b)
An ectothermic animal

(c)
An organism of benthic zone

An action potential is caused by an influx of _____ ions into the cell.

Question 26

Fill in the blanks



(a)___disease continues for many days and causes ___ on body.

(b)___disease continues for a few days and causes no longer term effect on body.

(c)___is defined as physical, mental and social well-being and comfort.

(d) Common cold is___disease.

(e) Many skin diseases are caused by____.

An example of centrolecithal egg is:

What is pancreas? Mention the major secretions of pancreas that are helpful in digestion.

Is the secondary structure of any molecule or body the modification of the primary body?

Deciduous plants shed their leaves during hot summer or in autumn. This process of shedding of leaves is called abscission. Apart from physiological changes what anatomical mechanism is involved in the abscission of leaves.

List any
three important characteristics of a population and explain

The given figure shows a small part of the human lung where exchange of gases takes place. Select the option which represents the labelled part (A, B, C and D) correctly identified along with its function.

Match List - I with List - II.





$\begin{array}{cccc}& \text{List - I}& & \text{List - II}\\ \text{(a)}& \text{Cells with active cell}\text{division capacity}& \text{(i)}& \text{Vascular tissues}\\ \text{(b)}& \text{Tissue having all cells}\text{similar in structure}\text{and function}& \text{(ii)}& \text{Meristematic tissue}\\ \text{(c)}& \text{Tissue having}\text{different types of cells}& \text{(iii)}& \text{Sclereids}\\ \text{(d)}& \text{Dead cells with highly}\text{thickenend walls and}\text{narrow lumen}& \text{(iv)}& \text{Simple tissue}\end{array}$



Select the correct answer from the options given below.

Discuss
with your teacher and find out how to distinguish between

(a) Plasmid
DNA and chromosomal DNA

(b) RNA
and DNA

(c) Exonuclease
and Endonuclease

Choose the correct option to fill in the blanks:

The term 'species' is the least (i)______. It was coined by (ii)______.

Caryopsis is found in

Hisardale is obtained by crossing

Q6. With reference to the Pradhan Mantri Matritva Vandana Yojana (PMMVY), which of the following statements is/are correct?

1. It is available to all Pregnant Women & Lactating Mothers.

2. It is a central sector scheme.

3. The scheme is applicable to the mothers above the age of 19 years and for the first two live births.

Select the correct code: