Q.1
Plant bends towards the source of light on account of the movement of curvature known as
Q.2
Plant have ____ while animals lack it.
Q.3
Norepinephrine increases
Q.4
Night blindness is cause by lack of which vitamin?
Q.5
Normal adult human male has
Q.6
Plants wilt due to excess of
Q.7
Most of the red, blue and purple colours of plants are due to a pigment called
Q.8
Plants developing in dry conditions are
Q.9
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
Q.10
Photosynthesis is a process
Q.11
Monocot root differs from dicot root in having
Q.12
Radioactivity is a phenomenon of the spontaneous emission of
Q.13
Out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
Q.14
Potato is a modified form (outgrowth) of:
Q.15
Placenta is the structure formed
Q.16
Plants hormone that induces cell division is
Q.17
Monotremes are unique mammals because they
Q.18
Poison glands of snakes are homologous to
Q.19
Primary phloem develops from
Q.20
Other than spreading malaria, anopheles mosquitoes are also vectors of
Q.21
Plants growing on sand are called as
Q.22
Our skin, when exposed to excess sunlight, becomes dark. This is because of our skin pigments called
Q.23
On which of the following plants did Gregor Mendal perform his classical experiment?
Q.24
Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
Q.25
Prothrombin which helps in clotting of blood is released by
Q.26
Neurospora is used as genetic material because
Q.27
Phloem is a tissue found in
Q.28
Radical vascular bundles are those in which
Q.29
Plants that grow in saline water are called
Q.30
Pyorrhoea is a disease of the
Q.31
Ramapithecus and Cro-Magnon man are considered
Q.32
Most highly intelligent mammals are
Q.33
Plant development is influenced by
Q.34
Diphtheria disease is caused by
Q.35
Which of the following disease is non-communicable in nature?
Q.36
Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with
Q.37
One of the following is not a function of bones.
Q.38
Movement of cell against concentration gradient is called
Q.39
Photosynthesis generally takes place in which parts of the plant?
Q.40
Myopia is connected with
Q.41
N2 content is kept constant in the biosphere due to
Q.42
O2 released in the process of photosynthesis comes from
Q.43
Prokaryotic cells lack
Q.44
Photosynthesis takes place faster in
Q.45
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
Q.46
When a disease break out and spread from one place to another affecting large number of peoples it is called
Q.47
Which of the following disease is caused by female Anopheles mosquito?
Q.48
Ordinary table salt is sodium chloride. What is baking soda?
Q.49
Ozone hole refers to
Q.50
Plants absorb most part of water needed by them through their
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