Biology Quiz 1
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Question 1 |
Who was the first to describe that species is the unit of classification
A | John Ray |
B | Huxley |
C | Linnaeus |
D | Candolle |
Question 2 |
Plants that grow in the desert are called
A | hydrophytes |
B | mesophytes |
C | xerophytes |
D | epiphytes |
Question 3 |
Basic taxonomic category is
A | population |
B | species |
C | variety |
D | breed |
Question 4 |
An important character of chordata is presence of
A | dorsal notochord |
B | dorsal hollow nerve cord |
C | post-anal tail |
D | all the above |
Question 5 |
Which one of the following is a hereditary disease ?
A | Cataract |
B | Haemophilia |
C | Pellagra |
D | Osteoporosis |
Question 6 |
Which one of the following is correct
Cretinism is a human disorder which is due to the under secretion of :
A | Adrenalin hormone |
B | Cortisone hormone |
C | Glucagon hormone |
D | Thyroxin hormone |
Question 7 |
Which one of the following is not a genetic disorder?
A | Colour blindness |
B | Down’s syndrome |
C | Haemophilia |
D | Xerophthalmia |
Question 8 |
Fossils are
A | remains of deadly plants and animals that are extinct |
B | remains of plants and animals that are still surviving |
C | both (a) & (b) |
D | none of the above |
Question 9 |
Speciation is
A | making of independent species |
B | macro evolution |
C | new environmental ways for existence |
D | all of the above |
Question 10 |
The scientific name for the maximum modern man among these is
A | Homosapiens |
B | Human species |
C | Neanderthalensis |
D | Homo sapiens |
Question 11 |
Meristematic tissues are found in
A | only stems of the plants |
B | both roots and stems |
C | in all growing tips of the plant body |
D | only roots of the plants |
Question 12 |
The process of formation of blood corpuscles is called
A | haemopoiesis |
B | heamolysi |
C | heamozoin |
D | None of these |
Question 13 |
Largest number of neuron cell is present in human body in
A | retina |
B | spinal cord |
C | brain |
D | tongue |
Question 14 |
Pick out the mismatched pair in the following pairs:-
- Sperms → testes
- Eggs → ovaries
- Pollen → anther
- Ovule → somatic cell
A | 1 |
B | 2 |
C | 3 |
D | 4 |
Question 15 |
Contraception (to avoid pregnancy) can be attained by.
A | use of condoms |
B | oral pills |
C | copper-T |
D | all of these above |
Question 16 |
All are hormones except
A | Estrogen |
B | Testosterone |
C | FSH |
D | Tocopherol |
Question 17 |
The site of photosynthesis in plants is
A | mitochondria |
B | chloroplasts |
C | leucoplasts |
D | dictyosomes |
Question 18 |
Autotrophic nutrition occurs in
A | fungi |
B | plants |
C | some protists and prokaryotes |
D | Both (b) and (c) |
Question 19 |
Select the correct statement
A | Heterotrophs do not synthesise their own food. |
B | Heterotrophs utilise solar energy for photosynthesis |
C | Heterotrophs synthesise their own food. |
D | Heterotrophs are capable of converting carbon dioxide
and water into carbo-hydrates. |
Question 20 |
The principal cereal crop in India is
A | wheat |
B | rice |
C | maize |
D | sorgham |
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