PSI and PSII was discovered by
PS-I and PS-II was discovered by Options (a) Robert Emerson (b) Arnon (c) Blackman (d) Robert Mayer Correct Answer: Robert…
5 years ago
Biology
Prolonged deficiency of nicotinic acid causes
Prolonged deficiency of nicotinic acid causes Options (a) osteomalacia (b) pellagra (c) anaemia (d) xerophthalmia Correct Answer: pellagraExplanation:The nicotinic acid…
5 years ago
Prokaryotic ribosomes has sedimentation coefficient of
Prokaryotic ribosomes has sedimentation coefficient of Options (a) 80S (b) 70S (c) 40S (d) 60S Correct Answer: 70SExplanation:No explanation available.…
5 years ago
Prokaryotic flagella are having
Prokaryotic flagella are having Options (a) unit membrane - enclosed fibre (b) helically arranged protein molecule (c) micro tubular 9+2…
5 years ago
Power house of the cell is
Power house of the cell is Options (a) Golgi body (b) mitochondrian (c) ribosome (d) endoplasmic reticulum Correct Answer: mitochondrianExplanation:No…
5 years ago
Polyribosomes are aggregates of
Polyribosomes are aggregates of Options (a) ribosomes and RNA (b) only RNA (c) peroxisomes (d) several ribosomes held together Correct…
5 years ago
Pneumatophores occur in
Pneumatophores occur in Options (a) Submerged hydrophytes (b) Carnivorous plants (c) Free-floating hydrophytes (d) Halophytes Correct Answer: HalophytesExplanation:Halophytes like mangrooves…
5 years ago
Plasma membrane is made of
Plasma mambrane is made of Options (a) proteins and carbohydrates (b) proteins and lipids (c) proteins,lipids and carbohydrates (d) proteins,…
5 years ago
Plants obtain carbon and most of their oxygen from
Plants obtain carbon and most of their oxygen from Options (a) soil (b) symbiotic association (c) CO₂ from the atmosphere…
5 years ago
Plants having little or no secondary growth are
Plants having little or no secondary growth are Options (a) Cycads (b) Conifers (c) Deciduous angiosperms (d) Grasses Correct Answer:…
5 years ago