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state two limitations faced in dealing an infectious diseases

What is taxonomic category?

Herbaceous plants are generally absent in

Which of the following is a correct statement?

Name any two pesticides.

The algal component of a lichen is known as

Distinguish between the following

(a) Chromoplast and chloroplast

(b) Ribosome and centrosome.

What is common about amylase, trypsin and pepsin?

What do the snake antivenins contain?

Making anti-viral drugs is more difficult than making anti-bacterial medicines because:

Which of the following methods can be used to sterilize milk and milk products?

The term genetics was coined by

Which of the food group is more rich in fat?

Identify the given sugar.

A plant produces colorless and odorless flowers which do not produce nectar. What is its method of pollination?

Give an example of Intra-Uterine Device(IUD)

Vertical growth in a plant body is mainly due to

Define culture fishery.

Homo sapiens is an example of

Question 13

If you happen to go to a desert, what changes do you expect to observe in the urine you excrete? You would

1. Excrete small amount of urine.
2. Excrete large amount of urine.
3. Excrete concentrated urine.
4. Excrete very dilute urine.

Which of the above would hold true?
(a) 1 and 3
(b) 2 and 4
(c) 1 and 4
(d) 1 and 2

Definition of plague

The uptake and utilization of inorganic nutrients by the plants is termed:

Match the following with the correct response.
$\begin{array}{cc}\left(\text{A}\right)\text{Euglena}& \left(1\right)\text{Naked seed}\\ \left(\text{B}\right)\text{Gymnosperms}& \left(2\right)\text{Covered seed}\\ \left(\text{C}\right)\text{Paramecium}& \left(3\right)\text{Flagella}\\ \left(\text{D}\right)\text{Angiosperms}& \left(4\right)\text{Cilia}\end{array}$

Which of the following number cannot be the number of lobes in the nucleus of the neutrophils?

What is terracing ?

Why are traits acquired during the lifetime of an individual not inherited? [2 MARKS]

Mention whether the following statements are true (T) or false (F) and give explanation in support of your answer.

(a) Plasmolysis is reverse of deplasmolysis. (T/F)

(b) Guttation is another name for bleeding in plants. (T/F)

(c) Soaked seeds burst their seed coats. (T/F)

(d) If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt. (T/F)

(e) Guttation in plants occurs maximum at mid-day. (T/F)

(f) Dry seeds when submerged in water swell up due to endosmosis. (T/F)

Question 31
Fill in the blanks

(a) A total of ___ nutrients are essential to plants.

(b) ___and ___ are supplied by air to plants.

(c) ___ is supplied by water to plants.

(d) Soil supply ___nutrients to plants.

(e) ___ nutrients are required in large quantity and called as ___.

Reason why landfills are coming up fast near large cities.

A doctor advised a patient to increase intake of a particular vitamin in his diet to improve his vision in dim light .name the vitamin and one food item that is its rich source.

Examples of complex tissue

what are thrombocytes? what are leucocytes? What are erythrocytes?

Tincture of iodine has antiseptic properties. This solution is made by dissolving:

What are pharyngeal gill slits.?

Which of the following is/are products of wastewater treatment?

Which of the following is/are not recommended with respect to usage of medicines?

All humans on earth today may differ widely in their facial features, colour, height, etc. Yet, they belong to a single species Homo sapiens. Give one reason why they are not considered belonging to different species.

Bats are the pollinators of

Which of these explain(s) the diffusion of oxygen from alveoli to blood?

What is the name of the bacteria that causes typhoid?

What is the purpose of the hair inside the nose?

Which one of the following species of bees is used for the commercial production of honey?

Cholera spreads through _______.

Autotrophic metaphytes are found in which kingdom -