Which of the following ions forms a hydroxide that is highly soluble in water? (A) K^+ (B) Zn^2+ (C) Ni^2+ (D) Al^3+
K+ K+ ion will form most water soluble hydroxide since it is the most reactive of these metals and therefore forms... View Article
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Non keratinised stratified epithelium occurs in (A) Vagina and cervix (B) Body cavity and anal cavity (C) Vagina, cervix and buccal cavity (D) Vagina, cervix, buccal cavity and anal cavity
Vagina, cervix, buccal cavity and anal cavity Non-keratinised stratified epithelium: This type of epithelial tissue is the tissues that cover... View Article
Man does not live by ________ alone (A) Food (B) Bread (C) Meals (D) Diet
Bread Man does not live by bread alone Hence, the correct option is (B)
Solar radiation flux is usually measured with the help of which of the following instrument? (A) Anemometer (B) Pyranometer (C) Sunshine recorder (D) All of the above
Pyranometer Solar radiation flux is usually measured with the help of an instrument known as pyranometer. Its name is derived... View Article
The bleaching properties of H2O2 are due to its (A) Acidic nature (B) Basic nature (C) Oxidising nature (D) Reducing nature
Oxidising nature The bleaching action is due to the oxidising nature. H2O2 → H2O + [O] Coloured matter + [O]... View Article
BCl3 does not exist as dimer but BH3 exists as dimer (B2H6) because (A) chlorine is more electronegative than hydrogen (B) there is pπ – pπ back bonding in BCl3 and BH3 does not contain such multiple bonding (C) large sized chlorine atoms do not fit in between the small boron atoms where as small sized hydrogen atoms get fitted in between boron atoms (D) none of the above
large-sized chlorine atoms do not fit in between the small boron atoms whereas small-sized hydrogen atoms fit between boron atoms... View Article
What are petals? Why are they generally coloured?
Petals are coloured, modified leaves that surround the reproductive parts of flowers. They are brightly coloured to attract insects for... View Article
Write the opposite of each of the following. Failure
The word which is opposite of failure is success
You have Rs 12000 saved amount and wants to invest it in two schemes yeilding 10% and 15% interest. How each schemes so that you should get overall 12% interest.
Let Rs x be the amount to be saved at 10% Let Rs y be the amount to be saved... View Article
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... 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... 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.... 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.... View Article
The ease of adsorption of the hydrated alkali metal ions on an ion exchange resins fallows the order:
Given options are \(\begin{array}{l}(A)Rb^{+}< K^{+}< Na^{+}< Li^{+}\\(B)K^{+}< Na^{+}< Rb^{+}< Li\\(C)Na^{+}< Li^{+}< K^{+}< Rb^{+}\\(D)Li^{+}< K^{+}< Na^{+}< Rb^{+}\end{array} \) Ease of adsorption... 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.... 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... 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 option... 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.... View Article
