How river get polluted?
Tuberose: Kingdom — plantae Division — spermatophyta Subdivision — angiospermae Class — monocot Order –liliales Family — amaryllidaceae Genus– polianthes... View Article
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In a plant, the anther contains: A) sepals B) ovules C) pistil D) Pollen grains
Nonrenewable resources include metallic minerals and fossil fuels. Renewable resources are those resources that can be renewed and replenished. Nonrenewable... View Article
Which nutrient is not present in milk?
Tomatoes are cultivated by the practise of transplantation. Transplanting is the process of moving a fully germinated seedling and replanting... View Article
What is series combination?
Seed stratification is the process whereby seed dormancy is broken in order to promote this germination. it is necessary to... View Article
Why earthworms are called a farmer’s friend?
Stimulus events are aperiodic and asynchronous. Stimulus is an or condition that initiates a response A response is the reaction... View Article
What does diversity add to our lives? Explain with examples.
The nucleolus is a round body located inside the nucleus of a eukaryotic cell. The nucleolus is an organelle that... View Article
Why is voltmeter always connected in parallel? What will happen if it is connected in series?
Water logging is the process in which field is filled with excess water whereas Water lodging occurs when the water... View Article
Which is strongest and weakest bone in human body?
Draught breeds :They are pulling carts and ploughing fields. The bulls are used for draught works. The cows are poor... View Article
Name the SI unit of area and define it.
The flowers which contain only stamens are called as staminate flower and the flower with only pistils are called as... View Article
A person cannot see distinctly objects kept beyond 2m.This defect can be corrected by using a lens of what power?
Answer: The eye defect in which a person cannot see objects beyond near points or far objects but can see... View Article
Milk, Cheese and Eggs are source of which vitamin?
Answer: Vitamins are organic compounds, found in natural foods which are required for normal growth and maintenance of the body.... View Article
Is electric potential a scalar or a vector quantity?
Stool is a term which refers to human faeces. The stool passes out of the body via the anus and... View Article
Why are manure and fertilizers used in field?
There are actually 20 mineral elements necessary or beneficial for plant growth. Carbon (C), hydrogen (H), and oxygen (O) are... View Article
Which of the following is an example of Cultivable Wasteland? (a) Gross cropped area (b) Uncultivable (c) Barren Wasteland (d) Current fallow Land
Option (b) Uncultivable land is an example of the cultivable wasteland. It includes: Permanent pasture and grazing land Land under... View Article
Which organelle is called digestive bag and why?
The interdependence factors of the lotus are water, air, and sunlight. Interdependence is a crucial part of our lives. Lotus... View Article
Opening and closing of pores is a functions performed by a) stomata b) chlorophyll c) chloroplast D)
Wool is a natural fibre which is obtained from the skin of the animals. Cashmilon is quite soft yarn because... View Article
Wheat and gram belong to (a) Rabi crops (b) Kharif crops (c) Both of these (d) No
Calcium is essential for the growth of root tips. In the cell walls of plant Calcium is present in the... View Article
Spraying of DDT on crops causes pollution of (1) Soil and water (2) Air and soil (3) Air (4) Air, water and soil
Answer: (4) Air, water and soil DDT, or dichlorodiphenyltrichloroethane, is a chemical compound with the formula C14H9Cl5. Under standard conditions... View Article
Inertia of an object is quantitative measure of its A) Volume B) Density C) Mass D) Temperature
Fungi are plants that lack chlorophyll. Fungi have a cell wall made of chitin and get nutrients through absorption. Photosynthesis... View Article
What is the full form of RCD?
Ants have a greater sense of smell which is brought about by the presence of numerous cell surface odour receptors... View Article
