NEET MCQ for Biology 3

NEET MCQ for Biology 3

Q.1.9:3:3:1 ratio is due to
A) Segregation
B) Independent assortment
C) Crossing over
D) Homologous pairing

Q.2.The pyramid of energy in any ecosystem is
A) Always upright
B) May be upright or inverted
C) Always inverted
D) None of the above

Q.3.In which of the following diseases copper accumulates in tissues?
A) Fabry disease
B) Canavan disease
C) Wilson’s disease
D) Gunther disease

Q.4.The Red color of red wine is mainly because of __?
A) Chemicals in Wine
B) Pigments
C) Color blended
D) Ageing

Q.5.Which among the following have a ‘mixed heart that is the heart in which the oxygenated and the deoxygenated blood is mixed?
A) Birds
B) Fishes
C) Reptiles
D) Nematodes

Q.6.The pneumatophores are negatively geotropic roots which grow upward & meant for gaseous exchange. These are a characteristic of
A) Halophytes
B) Heliophytes
C) Sciophytes
D) Lithophytes

Q.7.Apart from sugarcane (most commonly Saccharum officinarum) which among the following plants is widely known in the world as a commercial source of table sugar?
A) Toona cilata
B) Gloriosa superba
C) Asparagus pulmosus
D) Beta vulgaris

Q.8.Which among the following is a correct definition of Saprophytes?
A) A parasitic plant that can complete its life cycle independent of a host
B) A heterotrophic plant that feeds upon other living plants
C) A heterotrophic plant that feeds upon dead organic matter
D) A plant that is unable to synthesize a particular organic compound

Q.9.Which is concerned with the synthesis of protein?
A) Lysosomes
B) Ribosomes
C) Protoplasm
D) Endoplasmic Reticulum

Q.10.The study of soil in relation to higher plants is known as:
A) Petrology
B) Pedology
C) Ecology
D) Edaphology

Q.11.Pulses are a good source of
A) Carbohydrates
B) Fats
C) Proteins
D) Vitamins

Q.12.In a pond ecosystem, benthos means:
A) Zooplanktons on water surface
B) Large fishes eating small ones
C) Primary consumers in the bottom of a pond
D) All phytoplanktons

Q.13.Photosynthesis generally takes place in which parts of the plant?
A) Leaf and other chloroplast bearing parts
B) Stem and leaf
C) Roots and chloroplast bearing parts
D) Bark and leaf

Q.14.Yeast are used to make wine and beer this is because
A) It respire aerobically which breaks down glucose producing alcohol.
B) It respire in the absence of oxygen which breaks down glucose into alcohol.
C) It produces alcohol without breaking down glucose.
D) It is multi celled organism and produces alcohol.

Q.15.The leaves of a tree or plant are green due to the presence of:
A) Chlorophyll
B) Green colour
C) Nitrogen
D) Oxygen

Q.16.Plants transport water and nutrients from the soil through
A) Phloem
B) Root hair
C) Tissue
D) Xylem

Q.17.First National park developed in India is?
A) Gir.
B) Kaziranga.
C) Jim Corbett.
D) None of these

Q.18.What is the average size of a microbe?
A) Less than 1 mm.
B) More than 1 cm.
C) Less than 0.1 mm.
D) More than 0.1 mm.

Q.19.Herbal medicinal plant is tried to be patented by India.
A) Neem
B) Tomato.
C) Potato.
D) Basmati.

Q.20.Bioenergy is the energy obtained from
A) Coal.
B) Natural Gas.
C) Alcohol.
D) Biomass.

Q.21.What is the average size of a microbe? (18 Repeat)
A) Less than 1 mm.
B) More than 1 cm.
C) Less than 0.1 mm.
D) More than 0.1 mm.

Q.22.Who gives the Red List?

Q.23.How does deletion occur?
A) When a part of a chromosome is duplicated.
B) When a part of a chromosome is left out.
C) When a part of a chromosome is lost.
D) D. When a part of a chromosome is translocated.

Q.24.PCR is used to detect_____in cancer patients.
A) Fever.
B) Mutations.
C) Cold.
D) Cough.

Q.25.Ozone hole refers to
A) Hole in ozone layer
B) Decrease in the ozone layer in troposphere
C) Decrease in thickness of ozone layer in stratosphere
D) Increase in the thickness of ozone layer in troposphere

NEET MCQ Biology -1
NEET MCQ Biology -2
NEET MCQ Biology -3
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