Biology Trivia Questions Answers

Hii Buddy , Here would you plz provide me Biology Subject General Sample Questions for Competitive Exam ?

[Kiran Chandar]

Friend on your Demanding Here I am Providing Some Biology Subject General Sample Questions for Competitive Exam :


Ordinary table salt is sodium chloride. What is baking soda?
A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate

Ozone hole refers to
A. hole in ozone layer
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere


Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
A. angiosperms B. gymnosperms
C. monocotyledons D. dicotyledons


Plants receive their nutrients mainly from
A. chlorophyll B. atmosphere
C. light D. soil

Movement of cell against concentration gradient is called
A. osmosis
B. active transport
C. diffusion
D. passive transport


Most fish do not sink in water because of the presence of
swim bladder
air bladder
air sacs
air in spongy bones

A. I and II are correct
B. II and III are correct
C. III and IV are correct
D. I, II, III and IV are correct


Photosynthesis generally takes place in which parts of the plant?
A. Leaf and other chloroplast bearing parts
B. stem and leaf
C. Roots and chloroplast bearing parts
D. Bark and leaf


Plants synthesis protein from
A. starch
B. sugar
C. amino acids
D. fatty acids

Plants absorb dissolved nitrates from soil and convert them into
A. free nitrogen
B. urea
C. ammonia
D. proteins'

.
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
A. all gymnosperms, except conifers
B. only angiosperms
C. only conifers
D. angiosperms and all gymnosperms except conifers

One of the following is not a function of bones.
A. Place for muscle attachment
B. Protection of vital organs
C. Secretion of hormones for calcium regulation in blood and bones
D. Production of blood corpuscles

DNA structure was first described by
[A] Catcheside
[B] Nirenberg
[C] Lederberg
[D] Watson and Crick

Plants absorb most part of water needed by them through their
A. embryonic zone
B. growing point
C. root hairs
D. zone of elongation

Photo-oxidation is
A. photorespiration
B. photolysis
C. light and oxygen induced breakdown
D. All of the above

Process of cell division can take place by
A. heterosis B. fusion
C. mitosis D. None of these


Most highly intelligent mammals are
A. whales B. dolphins
C. elephants D. kangaroos


Plant development is influenced by
A. quality of light only
B. quality and quantity of light
C. quality and duration of light
D. quality, quantity and duration of light

Prokaryotic cells lack
A. nucleolus
B. nuclear membrane
C. membrane bound by organelles
D. All of these


Photosynthesis takes place faster in
A. yellow light
B. white light
C. red light
D. darkness


Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
A. Robert Hooke
B. Robert Brown
C. Rudolf Virchow
D. Theodore Schwann

Primary phloem develops from
A. lateral meristem
B. protoderm
C. extrastelar cambium
D. provascular tissue


Other than spreading malaria, anopheles mosquitoes are also vectors of
A. dengue fever
B. filariasis
C. encephalitis
D. yellow fever

Plants that grow in saline water are called
A. halophytes B. hydrophytes
C. mesophytes D. thallophytes


Pyorrhoea is a disease of the
A. nose B. gums
C. heart D. lungs

O2 released in the process of photosynthesis comes from
A. CO2 B. water
C. sugar D. pyruvic acid

Placenta is the structure formed
A. by the union of foetal and uterine tissue
B. by foetus only
C. by fusion of germ layers
D. None of these

Plants hormone that induces cell division is
A. auxins B. gibberellins
C. kinins D. domins'


Neurospora is used as genetic material because
A. it has short life cycle of 10 days
B. the product of single meiosis can be easily analysed
C. meiotic products are linearly arranged in the form of ordered tetrads
D. is a diploid fungus

Phloem is a tissue found in
A. reproductive organs of animals
B. plants
C. insects
D. mammals

N2 content is kept constant in the biosphere due to
A. N2 fixation
B. industrial pollution
C. nitrogen cycle
D. absorption of N2