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Name excretory organ in amoeba.

Answer: The contractile vacuole is the excretory organ in the amoeba.... View Article

Which part of the flower forms a fruit?

(a) Whole flower (b) Only carpel and stamen (c) Only ovary (d) Only carpel Answer: After the process of fertilization, the ovary swells up... View Article

Why is apple called a false fruit?

Answer: True fruits are those fruits which develop from the ovary. In some species, the thalamus also contributes to fruit formation. Such... View Article

The seed contains the future plant or embryo which develops into seedling under appropriate conditions.

(a) True (b) False Solution: Seeds contain embryo which develop into a seedling when grown under appropriate conditions. The endosperm inside... View Article

24 Sep 2021: The Hindu Analysis

UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 24th Sep 2021. Important news and views to boost... View Article

Account Aggregator Network [UPSC Economy Notes]

The Account Aggregator System in banking was initiated by the RBI with eight of India’s largest banks in September 2021. What is the Account... View Article

In which of the following putrefying bacteria is present (A) Intestine (B) Colon (C) Stomach (D) Liver

Colon Putrefying bacteria is present in Colon. Hence, the correct option is (B)... View Article

Very short answer type. What is hologamy?

A type of sexual reproduction in protists, where true gametes are not formed, but two mature individuals fuse together to form a zygote is known... View Article

Largest shareholder (in percentage shareholding) of a nationalized bank is _________ (A) RBI (B) NABARD (C) LICI (D) Government of India

Government of India The largest shareholder (in percentage shareholding) of a nationalized bank is 'Government of India'. Therefore, the... View Article

The mass number A of an atom is equal to the ____________ (A) Number of electrons (B) Number of neutrons + electrons (C) Number of protons + neutrons (D) Number of protons + electrons

Number of protons + neutrons The mass number of an atom is equal to the number of protons plus the number of neutrons that it contains... View Article

A metallic sphere floats in an immiscible mixture of water (ρW = 10^3 kg/m^3) and a liquid (ρL = 13.5 x 10^3) such that its (4/5)th volume is in water and (1/5)th volume is in the liquid. Find the density of metal. (A) 4.5 x 10^3 kg/m^3 (B) 4.0 x 10^3 kg/m^3 (C) 3.5 x 10^3 kg/m^3 (D) 1.9 x 10^3 kg/m^3

Total upthrust = weight of the metal sphere Hence, {(4/5)V}ρWg + {(1/5)V}ρLg = (Vρm)g ρm = (4/5) x 103 + (1/5) x 13.5 x 103... View Article

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 strong alkali KOH which... View Article

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)... View Article

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 from Greek word... 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] → Colourless matter... 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 Hydrogen is of... 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... View Article

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 at 15% From the question, given that, x + y = 12000 ........ (1)... View Article

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