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Boron is diagonally related to (A) boron (B) aluminium (C) magnesium (D) silicon

Silicon Boron is diagonally related to silicon. Boron and silicon are both semiconductors, form halides that are hydrolysed in water and form... View Article

Tendons and ligaments are specialized types of (A) Nervous tissue (B) Epithelial tissue (C) Muscular tissue (D) Fibrous connective tissue

Fibrous Connective Tissue Tendons and ligaments are the specialized types of fibrous connective tissue since they consists of collagen fibres... View Article

State any three organisational objectives of management

Organisational Objectives: Management is accountable for establishing and attaining objectives for the company. It has to deliver a variety of... View Article

Give reasons for the following (A) gases can be compressed easily (B) liquids can flow easily (C) we need to classify things (D) pure substance have fixed melting or boiling points (E) electricity is not considered a matter

(A) In a gas, spaces between the molecules are large and interaction between the molecules is low. Hence, it is easier to compress them by... View Article

Sectors are classified into public and private sectors on the basis of (A) Employment conditions (B) The nature of economic activity (C) Ownership of enterprises (D) Number of workers employed in the enterprise

Ownership of enterprises The industrial sectors are classified into public and private sectors on the basis of ownership of enterprises. The... View Article

The most abundant rna of cell is (A) mRNA (B) tRNA (C) rRNA (D) None of the above

rRNA rRNA is the most abundant type of RNA present in a cell. They account for 80% of total RNA. Therefore, the correct option is (C)... View Article

The ease of adsorption of the hydrated alkali metal ions on an ion exchange resins fallows the order:

Given options are Ease of adsorption of the hydrated alkali metal ions on an ion exchange resin decreases as the size of alkali metal ion... View Article

India earns maximum foreign exchange through the export of __________(A) jute(B) coffee(C) cotton(D) tea

Answer: (D) Tea In India, the tea industry is the major foreign exchange earner and labour intensive employment generation sector. India is the... View Article

Which of the following polymers of glucose is stored by animals? (A) Cellulose (B) Amylose (C) Amylopectin (D) Glycogen

Glycogen Glycogen is a polysaccharide of glucose that serves as a form of energy storage in fungi and animals. The polysaccharide structure of... View Article

Ferredoxin is a component of the (A) Hill reaction (B) Photosystem I (C) P680 (D) Photosystem II

Photosystem I Ferredoxin is an iron-sulphur protein, which mediates electron transfer reactions such as in photosynthesis. So, the correct... View Article

Explain the three major features of the shiwaliks

Following are the features of Shiwalik 1. The outermost range of the Himalayas is called the Outer Himalayas or Shiwaliks. 2. They extend over a... View Article

Light energy is converted into chemical energy in the presence of (A) Pyrenoids (B) Chloroplasts (C) Ribosomes (D) Mesosomes

Chloroplasts In the chlorophyll containing cells of photosynthetic organisms, the electromagnetic energy of sunlight is converted to chemical... View Article

The fossil fuels include (A) uranium (B) soil (C) natural gas (D) plants

Natural gas Fossil fuels are made from plants and animals that decompose. In the Earth’s surface, these oils contain carbon and hydrogen,... View Article

The minimum velocity in (ms^-1) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6 to avoid skidding is: (A) 60 m/s (B) 30 m/s (C) 15 m/s (D) 25 m/s

Given A car avoid skidding ⇒ mv2/r = μmg Here, μ is frictional coefficient , v is minimum speed to avoid skidding and r is radius... View Article

A man starts his job with a certain monthly salary and earns a fixed increment every year. If his salary was Rs 1500 after 4 year of service and Rs 1800 after 10 years of service, what was his starting salary and what is the annual increment?

Let Rs x be the starting salary of a man and Rs y be the fixed annual increment. Then, Salary after 4 years of service = Rs (x + 4y) Salary... View Article

A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is 2.0 x 10^-5 kgm^-1s^-1, the terminal velocity of the drop will be: (The density of water = 10^3 kgm^-3 and g = 10ms^-2) (A) 1.0 x 10^-4 ms^-1 (B) 2.0 x 10^-4 ms^-1 (C) 2.5 x 10^-4 ms^-1 (D) 5.0 x 10^-4 ms^-1

Here, r = 0.0015 mm ⇒ 0.0015 x 10-3m η = 2.0 x 10-5 kgm-1s-1 ρ = 1.0 x 103kgm-3 g = 10ms-2 Neglecting density of air, the terminal... View Article

Stainless steel contains in addition to iron nickel and chromium which imparts (A) Hardness to the alloy (B) Tensile strength to the alloy (C) Luster to the alloy (D) None of these

Tensile strength to the alloy In addition to iron, carbon and chromium, modern stainless steel may also contain nickel, niobium, molybdenum and... View Article

Juxtaglomerular apparatus is made up of (A) juxtaglomerular cell, macula densa and lacis cell (B) juxtaglomerular cell, purkinje cell and chief cell (C) juxtaglomerular cell, lacis cell and myoepithelial cell (D) juxtaglomerular cell, macula densa and argentaffin cell

juxtaglomerular cell, macula densa and lacis cell The juxtaglomerular apparatus is a specialized sensitive region that is formed by the cellular... View Article

What would happen if forest disappears?

If forest disappear the following changes occurs, 1. The amount of carbon dioxide in air will increase, resulting in the increase of... View Article

Isotopes have same atomic number but different atomic mass number. State whether the given statement is True or False (A) True (B) False

True An atomic mass number tells you the total number of protons and neutrons present in an atomic nucleus. Atoms that have the same atomic... View Article

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