NTSE SAT Biology Papers 08

NTSE SAT Biology Papers 08

This is NTSE SAT Biology Papers 08 .. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The correct path of lymph flow is a. \(Lymph\;capillaries \to Lymph\;vesssels \to Veins\)b.\(Lymph\;capillaries \to Lymph\,vessels \to Arteries\)
  • A
    Only a is correct
    Correct
  • B
    Both a and b are correct
  • C
    Only b is correct
  • D
    Both a and b are wrong
2
Sphincter muscles helps to release the food forma. Large intestine to outsideb. Small intestine to large intestinec. Oesophagus to stomachd. Stomach to small intestine
  • A
    b and c are correct
  • B
    c and d are correct
    Correct
  • C
    a and b are correct
  • D
    a and d are correct
3
In Mendel’s dihybrid cross experiment, he got dwarf plants with white flowers, dwarf plants with red flowers, tall plants with white flowers, tall plants with white flowers respectively. This order can be represented by the following ratio
  • A
    It is 3 :9 :3 : 1
  • B
    It is 3 : 9 : 1 : 3
  • C
    It is 1 : 3 : 3 : 9
    Correct
  • D
    It is 9 : 1: 3 : 3
4
Peripheral nervous system includes
  • A
    Brain the spinal chord
  • B
    12 pairs of nerves which starts form brain and 31 pairs of nerves which starts from spinal chord
    Correct
  • C
    Spinal cord and 31 pairs of nerves which sates form spinal chord
  • D
    Brain and 12 pairs of nerves which starts from brain
5
Mendel observed 7 pairs of contrasting characters in Pisum. Which one of the following is not a part of that?
  • A
    Tall and Dwarf
  • B
    Yellow and green seed colour
  • C
    Rough and Smooth stem
    Correct
  • D
    Terminal and Axial Flower
6
Which type of variation is inheritable?
  • A
    Germinal variation
  • B
    None of the above
  • C
    Somatic variation
  • D
    Both somatic and germinal variation
    Correct
7
Mitral valve is present in between:
  • A
    Left auricle and left ventricle
  • B
    Right ventricle and pulmonary artery
  • C
    Left ventricle and aorta
    Correct
  • D
    Right auricle and right ventricle
8
If salivary amylase is lacking in the saliva, which of the following processes in the mouth cavity will be affected?
  • A
    Starch breaking down into sugars
    Correct
  • B
    fats breaking down into fatty acids and glycerol
  • C
    Proteins breaking down into animo acids
  • D
    Absorption of vitamins
9
In an ecosystem, 10 percent of available energy transferred from one trophic level to next is in the form of:
  • A
    Heat Energy
  • B
    Chemical Energy
    Correct
  • C
    Light Energy
  • D
    Mechanical Energy
10
The action of bile can be termed as:
  • A
    Hydrogenation
  • B
    Oxidation
  • C
    Esterification
  • D
    Emulsification
    Correct
11
Sleeping sickness is caused by a Protozoa Trypanosma. This protozoa is present in the salivery gland of a blood sucking insect Which of the following ?
  • A
    Culex mosquito
  • B
    Fruit fly
  • C
    Tsetse fly
    Correct
  • D
    Anopheles mosquito
12
Cut leaves remain green for longer time if dipped in:
  • A
    Cytokinihs
    Correct
  • B
    Gibberellins
  • C
    Ethylene
  • D
    Auxin
13
Which of the following blood cells is responsible for distribution of oxygen in the body?
  • A
    Leikocytes
  • B
    Lymphocyte
  • C
    Erythrocytes
    Correct
  • D
    Thromobocytes
14
Cell organelle which differentiates plant cell from animal cell is:
  • A
    Vacuoles
  • B
    Nucleus
  • C
    Cell Membrane
  • D
    Plastids
    Correct
15
Which of the following is a pteridophyta?
  • A
    Utothrix
  • B
    Marchanita
  • C
    Marsilea
    Correct
  • D
    Spitogyra