It is said to be protoplasmic respiration, when respiratory substrate is
Fat Protein Carbohydrate Lipids Answer: b) Protein Explanation: When the substrate for respiration is protein, it is known as protoplasmic... View Article
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Draw a labelled diagram of the digestive system of the cockroach.
The digestive system of cockroaches is divided into three main portions: foregut, midgut and hindgut. Here is a simplified diagram... View Article
Which of the given is a medicinal plant of the family Fabaceae?
a) Liquorice b) Peanut c) Tamarind d) Chickpea Answer: a) Liquorice Explanation: Liquorice, commonly known as mulethi in Indian households,... View Article
Which of the following feature is not similar in mitochondria and chloroplast?
a) Both are present in eukaryotic cells b) Both have their own genetic material c) Both are present in eukaryotes... View Article
If the rate of diffusion of A is 5 times that of B, what will be the density ratio of A and B?
1/5 5 25 1/25 Answer: d) Explanation: Given, rA = 5rB We already know that rate of diffusion is inversely... View Article
During photosynthesis _____ energy is converted into the ______ energy of food.
Chemical, light Light, chemical Heat, physical Kinetic, chemical Answer: b) Light, chemical Explanation: During photosynthesis, light energy is converted into... View Article
Differentiate between parasitic and saprophytic plants, and also give examples.
Parasitic plants are the ones that are totally dependent on their host for their survival. An example is the dodder... View Article
A pigeon’s heart has_________ compartments.
3 4 5 2 Answer: b) 4 Explanation: A pigeon’s heart is four-chambered with 2 auricles and 2 ventricles. It... View Article
Crop and Gizzard are present in the alimentary canal of
a) Birds b) Insects c) Mammals d) Reptiles Answer: a) Birds Explanation: The gizzard is a specialised structure found in... View Article
In which part of the flower does fertilisation occur?
a) Ovary b) Anther c) Petals d) None of the above Answer: a) Ovary Explanation: Fertilisation takes place in a... View Article
A plant hormone responsible for shoot formation is
a) Auxin b) Ethylene c) Cytokinin d) Jasmonic Acid Answer: c) Cytokinin Explanation: Cytokinin is a plant hormone that promotes... View Article
Where are wavy vascular bundles found?
Wavy vascular bundles are not found permanently in any of the plants. The parenchyma and pericycle cells become meristematic and... View Article
What are the two types of ribosomes?
a) The 70S and 60S b) The 70S and 80S c) The 80S and 60S d) The 80S and 50S... View Article
02 Feb 2022: UPSC Exam Comprehensive News Analysis
CNA 02 Feb 2022:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related C. GS... View Article
01 Feb 2022: PIB Summary for UPSC
TABLE OF CONTENTS 1. 11th India-Oman Joint Military Cooperation Committee Meeting 2. 46th Raising day of Indian Coast Guard 1.... View Article
Which of the following statement is true about the transfer of Genetic information?
(A) Genetic information is transferred from nucleus to cytoplasm of the cell through RNA (B) Genetic information is transferred from... View Article
Which of the following plant parts consist of two generations-one within the other?
(A) Embryo sac inside the ovule (B) Pollen grains inside the anther (C) Germinated pollen grain with two male gametes... View Article
Which of the following features distinguishes dicot root from monocot root?
(A) Absence of vascular bundles (B) Presence of open vascular bundles (C) The presence of a well-developed pith (D) Presence... View Article
How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?
(A) 8 (B) 16 (C) 24 (D) 32 The Correct Answer is (B) 16. Solution A single pollen mother cell(PMC)... View Article
Which of the following is common in castor and maize plants?
(A) Autogamy is prevented but not geitonogamy (B) Both autogamy and geitonogamy are prevented (C) Male and female flowers are... View Article
