NEET MCQ for Biology 10
Q.1.Floating roots are the characteristics feature of:
A) Viscum
B) Vanda
C) Cuscuta
D) Jussiaea
Q.2.Mutation is
A) A factor responsible for plant growth
B) A change which affects the offspring of F2 generation only
C) A change that is inherited
D) A change which affects the parents
Q.3.Due to which of the processes in plants the Radiocarbon dating is possible to estimate their age?
A) Growth
B) Chemosynthesis
C) Photosynthesis
D) Assimilation
Q.4.Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called
A) Flavoxanthin
B) Melanin
C) Carotene
D) Xanthophyll
Q.5.Which among the following correctly defines Hypoglycemia?
A) Lower than normal level of thyroxin secretion
B) Lower than normal level of protein
C) Lower than normal secretion of one or more of the eight hormones normally produced by the pituitary gland
D) Lower than normal level of blood glucose
Q.6.What would be the percentage of Glucose in the Urine of a healthy person?
A) Less than 1%
B) More than 1%
C) More than 0.1%
D) 0%
Q.7.Dietary intake of ‘Iodine’ is essential for the normal functioning of thyroid gland. Which among the following is considered to be naturally rich in Iodine?
1.Table Salt
2.Sea-food
3.Dairy Products
A) Only 1
B) 1 and 2
C) 1 and 3
D) 1, 2 and 3
Q.8.Poison glands of snakes are homologous to
A) Electric organs of fishes
B) Stings of rays
C) Sebaceous glands of mammals
D) Salivary glands of vertebrates
Q.9.Consider the following types of Plants: Calcicoles Calcifuges Calcareous Which among the above plants grow in most acidic soils?
A) 1
B) 2
C) 3
D) 1 & 3
Q.10.Which among the following is a main constituent of Histosols?
A) Acidic Salts
B) Organic Matter
C) Minerals
D) Clay Content
Q.11.Which among the following is not a carnivorous plant?
A) Pitcher plant
B) Venus Fly Trap
C) Waterwheel plant
D) Marsh Mallow
Q.12.Chromosomes are made up of
A) RNA and Lipids
B) DNA and sugar
C) DNA and proteins
D) DNA and RNA
Q.13.A cross between a Tall pea plant (TT) and Short pea plant (tt) resulted in progenies that were all tall plants because
A) Tallness is the dominant trait
B) Tallness is the recessive trait
C) Shortness is the dominant trait
D) Height of pea plant is not governed by gene Tort
Q.14.A plant having two types of haploid structures in its life cycle is known as:
A) Haplobiontic
B) Diplobiontic
C) Haplontic
D) Diplontic
Q.15.A Dye is prepared from
A) Sida
B) Tridax
C) Tephrosia
D) Indigofera
Q.16.Which of the following secrets ADH to control water balance in the body?
A) Adrenal
B) Pituitary
C) Pineal
D) Hypothalamus
Q.17.Floridean starch is found in:
A) Chlorophyceae
B) Myxophyceae
C) Phaeophyceae
D) Rhodophyceae
Q.18.At which stage in its life cycle does the silk worm yield the fiber?
A) Egg
B) Larva
C) Pupa
D) Imago
Q.19.The perpendicular pipes having rotating nozzles on top are joined to the main pipeline at regular interval. This type of arrangement is observed in irrigation system known as
A) Drip system
B) Sprinkler system
C) Moat system
D) Dhekli system.
Q.20.Which one among the following personalities discovered smallpox vaccine?
A) Edward Jenner
B) Alexander Fleming
C) Louis Pasteur
D) Robert Koch
Q.21.Which of the following is the consumer of a pond ecosystem?
A) Fungi.
B) Sunlight
C) Water
D) Zooplankton.
Q.22.Most common disease of poultry in India is
A) Fowl por
B) Tick fever
C) Ranikhet
D) Coryza
Q.23.Which type of carbohydrate provide roughage and helps in movement of bowel.
A) Starch
B) Sucrose
C) Cellulose
D) Fructose
Q.24.Morula is a developmental stage?
A) Between the zygote and blastocyst.
B) Between the blastocyst and gastrula.
C) After the implantation.
D) Between implantation and parturition.
Q.25.What is sericulture?
A) Rearing of fishes.
B) Rearing of silkworm.
C) Rearing of birds.
D) Rearing of cockroach.
