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Non-seed bearing vascular plants are called as ............

Give one example of solid and one of liquid fumigant .

Question 6
Match the items in Column I with those in Column II:
$\begin{array}{cc}& \\ ColumnI& ColumnII\\ \left(a\right)Yeast& \left(i\right)Earthworm\\ \left(b\right)Diaphragm& \left(ii\right)Gills\\ \left(c\right)Skin& \left(iii\right)Alcohol\\ \left(d\right)Leaves& \left(iv\right)Chestcavity\\ \left(e\right)Fish& \left(v\right)Stomata\\ \left(f\right)Frog& \left(vi\right)Lungsandskin\\ & \left(vii\right)Tracheas\end{array}$

Which of the following is the smallest bone in the body?

Give examples of Nematoda animals.

what is endosmosis ?

Is Glycine optically inactive?

Q1. (i) In the experiment to demonstrate anaerobic respiration we are using mercury in the test tube and the beaker why can't we use water instead?

(ii). Also tell the use of lime water in the experiments on respiration

Ozone in the stratosphere is a product of UV radiations acting on:

Which of these helps the earthworm to move?

Regarding Assertion[A] and Reason[R].C hoose the correct option.

Assertion [A]: Locomotion is the movement of an individual from places to places.

Reason [R]: All Locomotions are movements but all movements are not locomotion.

Which of these best describes the method of survival of Acidophiles?

Which of the following is not a characteristic of hypogeal germination?

Which of the following is not a source of heat production in our body?

Plants : ____________ :: Animals : Lactic acid

In the water canal system of poriferans, the pathway for water flow is

Give one main function of collenchyma ?

Germinated grams are considered highly nutritive what is the reason for this belief?

Why do we not use the terms Maize fruit and Maize seed what do we say instead

The tissue that acts as an insulator is

How has WHO defined health ?

Which of the following blood components do not work as defense subunits?

The given figure illustrates the structure of a monocot seed.

The information in which alternative correctly labels the given diagram?

The organisms which carry the infectious agents from a sick person to another potential host are known as

Which organelle is the "power plant" of eukaryotic cell. Write in brief its functions.

The cell is the ___ and ___ unit of life.

Which of the following organs is/are not correctly paired with their functions?

Describe the causes and effects of air pollution.

Regular consumption of food rich in fat would result in __.

Name the two basic types of tissues found in plants.

The melanin pigment is found in the:

The primary requisite (basic event) for reproduction in all living organism is ______.

Differentiate between oviparous and viviparous. [3 MARKS]

Which of the following statement is true regarding the disadvantages of self-pollination?

1. Continued self-pollination, may lead to weakening of the variety or the species
2. The seed produced by the weak variety are good in quality
3. The weaker or defective characters of the variety can be eliminated
4. The weaker variety yields new varieties

Difference between cryptograms and phanerogams

which of the following is not the characteristics of cardiac muscle

Given below is a list of ten animals each followed by three terms or features. Underline the term which does not match with the animal.

(i) Amoeba - Nucleus, tentacle, food vacuole.

(ii) Hydra - Invertebrata, Cnidaria, Crustacea.

(iii) Fish - Gills, paired fins, ear drum.

(iv) Earthworm - Invertebrata, Annelida, Insecta.

(v) Grasshopper - Wings, trachea, proboscis.

(vi) Butterfly - Insecta, Invertebrata, Mollusca.

(vii) Whale - Gills, mammary glands, fat under the skin.

(viii) Pigeon - Feathers, wings, hair.

(ix) Monkey - External ear, sweat glands, lateral line.

(x) Bat - Aves, Mammalia, Chordata.

___ is the malfunctioning of body organs due to one or the other reason.