NTSE SAT Biology Papers 01

NTSE SAT Biology Papers 01

This is NTSE SAT Biology Papers 01 .. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The process which helps in perpetuation of a race
  • A
    Photosynthesis
  • B
    Reproduction
    Correct
  • C
    Excretion
  • D
    Nutrition
2
The product of Photosynthesis is transported from source of production to the storage organs through
  • A
    Phloem tissue
    Correct
  • B
    Spongy tissue
  • C
    Xylem tissue
  • D
    Palisade tissue
3
The cell organelle pertaining to energy release process is
  • A
    Lysosome
  • B
    Chloroplast
  • C
    Mitochondria
    Correct
  • D
    Endoplasmic reticulum
4
The circulatory system in Cockroach consists of ....................
  • A
    Veins, heart and atrium
  • B
    heart, sinuses and alary muscles
    Correct
  • C
    blood vessels, heart, atrium
  • D
    Cardiac muscle, heart, blood vessels
5
The major natural Auxin is
  • A
    IBA
  • B
    NAA
  • C
    2, 4D
  • D
    IAA
    Correct
6
The seat of intelligence, thinking and judgment in human brain is ----
  • A
    Cerebellum
  • B
    Medulla oblongata
  • C
    Cerebrum
    Correct
  • D
    Mid brain
7
Ramu collected epiphyllous buds from a plant. The plant from which he has collected these buds could be
  • A
    Murraya
  • B
    Bryophyllum
    Correct
  • C
    Hibuscus
  • D
    Neem
8
Identify the correct statement from below
  • A
    The Zygote develops into embryo-sac
  • B
    Mature embryo-sac has eight cells
  • C
    Secondary nucleus in a mature embryo-sac is diploid
    Correct
  • D
    Synergids are situated near the chalazal end of embryosac
9
One of the following is a wrong combination
  • A
    Flies – Internal fertilization
  • B
    Paramoecium - Exconjugats
  • C
    Ampluxory pads – female frog
    Correct
  • D
    Clitellum – Earthworm
10
An example for essential fatty acids is
  • A
    Linoleic acid
    Correct
  • B
    Tartaric acid
  • C
    Aspartic acid
  • D
    Glutamic acid
11
The cell-division which is also known as reduction cell-division is
  • A
    Amitosis
  • B
    Meiosis
    Correct
  • C
    Fission
  • D
    Mitosis
12
In humans, disorders of nervous system are caused due to the deficiency of vitamin
  • A
    Pyridoxine
    Correct
  • B
    Ascorbic acid
  • C
    Retinol
  • D
    Phylloquinone
13
Which scientist discovered “Tricarboxlic acid”?
  • A
    Sanger
  • B
    Edison
  • C
    Krab
    Correct
  • D
    Watson and Crick
14
Which nitrogen base in absent in D.N.A?
  • A
    Guanine
  • B
    Uracil
    Correct
  • C
    Cytosine
  • D
    Adenine
15
Fossils are found in ______________
  • A
    All of the above
  • B
    Igneous rocks
  • C
    Metamorphic rocks
  • D
    Sedimentary rocks
    Correct