The Dna Molecule To Which The Gene Of Interest Is Integrated For Cloning Is Called?
a) Transformer b) Template c) Vector d) Carrier Answer: c) Vector Explanation: The DNA molecule to which the desired gene... View Article
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In Which Group Of Organisms The Cell Walls Form Two Thin Overlapping Shells Which Fit Together?
a) Slime moulds b) Chrysophytes c) Euglenoids d) Dinoflagellates Answer: b) Chrysophytes Explanation: Chrysophytes are photosynthetic protists having overlapping cell... View Article
A Protoplast Is A Cell?
a) Without cell wall b) Without nucleus c) Undergoing division d) Without plasma membrane Answer: a) Without cell wall Explanation:... View Article
The Primary Dentition In Human Differs From Permanent Dentition In Not Having One Of The Following Type Of Teeth?
a) Molars b) Incisors c) Premolars d) Canine Answer: c) Premolars Explanation: Dental formula of human adult (permanent dentition) =... View Article
Which Of The Following Biomolecules Does Have A Phosphodiester Bond?
a) Nucleic acids in a nucleotide b) Amino acids in a polypeptide c) Monosaccharides in a polysaccharide d) Fatty acids... View Article
Cellular Organelles With Membranes Are?
a) Lysosomes, Golgi apparatus and mitochondria b) Endoplasmic reticulum, ribosomes and nuclei c) Chromosomes, ribosomes and endoplasmic reticulum d) Nuclei,... View Article
A Colour Blind Man Marries A Woman With Normal Sight Who Has No History Of Colour Blindness In Her Family. What Is The Probability Of Their Grandson Being Colour Blind?
a) 1 b) 0.5 c) 0.25 d) Nil Answer: b) 0.5 Explanation: Father (Colourblind) -> Daughter (Carrier) -> Grandson [50%... View Article
In Which Of The Following Interactions Both Partners Are Adversely Affected?
a) Predation b) Competition c) Parasitism d) Mutualism Answer: b) Competition Explanation: At the time of competition, both partners have... View Article
Which Of The Following Are Not Membrane-bound?
a) Vacuoles b) Lysosomes c) Ribosomes d) Mesosomes Answer: c) Ribosomes Explanation: Ribosomes comprise r-RNA and proteins. For more on... View Article
In Mammalian Eye, The ‘fovea’ Is The Center Of The Visual Field, Where.
a) Only rods are present b) High density of cones occur but has no rods c) More rods than cones... View Article
Axile Placentation Is Present In?
a) Dianthus b) Pea c) Lemon d) Argemone Answer: c) Lemon Explanation: The number of ovules are organized on the... View Article
The Oxygen Evolved During Photosynthesis Comes From Water Molecules. Which One Of The Following Pairs Of Elements Is Involved In This Reaction?
a) Manganese and Potassium b) Manganese and Chlorine c) Magnesium and Molybdenum d) Magnesium and Chlorine Answer: b) Manganese and... View Article
An Association Of Individuals Of Different Species Living In The Same Habitat And Having Functional Interactions Is?
a) Ecosystem b) Ecological niche c) Biotic community d) Population Answer: c) Biotic community Explanation: Populations of several species seen... View Article
Most Animals That Live In Deep Oceanic Waters Are?
a) Detritivores b) Tertiary consumers c) Secondary consumers d) Primary consumers Answer: a) Detritivores Explanation: Detritivores are a significant factor... View Article
Which One Of The Following Animals Has Two Separate Circulatory Pathways?
a) Lizard b) Shark c) Frog d) Whale Answer d) Whale Explanation: A whale is a mammal having a 4-chambered... View Article
Which Of The Following Structures Is Not Found In A Prokaryotic Cell?
a) Mesosome b) Nuclear envelope c) Plasma membrane d) Ribosome Answer b) Nuclear envelope In prokaryotic cells, the true nucleus... View Article
Root Pressure Develops Due To?
a) Low osmotic potential in soil b) Active absorption c) Passive absorption d) Increase in transpiration Answer: b) Active absorption... View Article
Just As A Person Moving From Delhi To Shimla To Escape The Heat For The Duration Of Hot Summer, Thousands Of Migratory Birds From. Siberia And Other Extremely Cold Northern Regions Move To?
a) Corbett National Park b) Western Chat c) Meghalaya d) Keoladeo National Park Answer: d) Keoladeo National Park Visit BYJU’S... View Article
To Obtain Virus – Free Healthy Plants From A Diseased One By Tissue Culture Technique, Which Part/Parts Of The Diseased Plant Will Be Taken?
a) Epidermis only b) Apical meristem only c) Both apical and axillary meristems d) Palisade parenchyma Answer: c) Both apical... View Article
Which One Of The Following Are Analogous Structures?
a) Thorns of Bougainvillea and Tendrils of Cucurbita b) Gills of Prawn and Lungs of Man. c) Flippers of Dolphin... View Article
