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What is stomata write its function?

Stomata are the tiny openings present on the epidermis of leaves. We can see stomata under the light microscope. In some of the plants, stomata... View Article

What kind of energy conversion sustain water cycle in nature?

Condensation and Evaporation are the kind of energy conversions sustain water cycle in nature.... View Article

Which of the following statements are true for pure substances? (i) Pure substances contain only one kind of particle (ii) Pure substances may be compound or mixture (iii) Pure substances have the same composition throughout (iv) Pure substances can be exemplified by all elements other than nickel (a) (i) and (ii) (b) (i) and (iii) (c) (iii) and (iv) (d) (ii) and (iii)

Pure substances are substances that are made up of only one kind of particles and has a fixed or constant structure. Characteristics and... View Article

In an ecosystem bacteria are considered as: (a) Microconsumers (b) Macroconsumers (c) Primary consumers (d) Secondary consumers

Bacteria play an important role in an ecosystem. The bacteria which are microscopic help in decomposing or breaking down the dead organisms in... View Article

Nitrogen, phosphorus, potassium are examples of: (a) micro-nutrients (b) macronutrients (c) fertilizers (d) both (a) and (b)

Nutrients which are required by plants in larger amounts are termed as Macronutrients. Some of them include sulfur, nitrogen, carbon, phosphorus,... View Article

In unilocular ovary with a single ovule, the placentation is: (a) Axile (b) Marginal (c) Basal (d) Free Central

Placenta develops at the base of the ovary wherein a single ovule is attached to it. Example: Marigold. Therefore, the correct answer is option (c)... View Article

What happens to the following after fertilization? (a) ovules (b) calyx (c) petals (D)stamens

(a) Ovules --> Becomes seed (b) Calyx --> Either stay intact in a dried and shrivelled form or fall off (c) Petals... View Article

PH of oxygenated blood is ———-.

PH of oxygenated blood is 7.4.... View Article

Which of the following require maximum energy? 1] secondary consumer 2] Decomposer 3] primary consumers 4] primary producer

4] primary producer Learn more: Food Web... View Article

Lining of blood vessels is made up of:

The lining of blood vessels is made up of the Squamous epithelium. Learn more: Squamous epithelium... View Article

Which are the birds gives us eggs?

The egg-laying birds are Hen, Duck, Ostrich, Turkey, Goose, Emu, etc.... View Article

The default parameter passing mechanism is A.call by value B.call by reference C.call by value result D.None of these.

A. call by value... View Article

Intracellular compartments are not found in cells of: A) Lower plants B) Prokaryotes C) Higher plants D) Eukaryotes

Answer: B) Prokaryotes Prokaryotic cells are cells that do not have a true nucleus and membrane-bound organelles.... View Article

What is multiple cropping? Explain three points.

When more than one crop is sown or grown in a single piece of land, then such cropping is called multiple cropping. It is a method of increasing... View Article

What is the function of tissue present in bark of tree?

The tissue present in the bark of the tree is called Epidermal tissue. It is the outermost layer of the cell that covers and protects... View Article

What is the food for amoeba?

Amoeba follows holozoic nutrition. It is omnivorous and consumes Algae, Bacteria, Diatoms, Dead organic material and other protozoans.... View Article

Draw a neat diagram of a plant and label its parts.

Plants are one of the most essential living organisms on earth. They are immensely beneficial to both animals and human beings. They produce... View Article

Name two examples of heterosporous pteridophytes.

Azolla, Selaginella, Salvinia, Pilularia, Isoetes, and Marsilea are the examples of heterosporous pteridophytes.... View Article

Contraction of the right ventricle pumps blood into the: A. Pulmonary vein B. Pulmonary artery C. Coronary sinus D. Coronary artery

Answer: B. Pulmonary artery... View Article

Polyp phase is absent in: (A) Hydra (B) Aurelia (C) Obelia (D) Physalia

Answer: (B) Aurelia In the phylum Cnidaria, which includes jellyfish and sea anemones, polyp and medusa are two different stages of the life cycle.... View Article

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