1.
Ordinary table salt is sodium chloride. What is baking soda?
WRITE THIS ESSAY FOR ME
Tell us about your assignment and we will find the best writer for your paper.
Get Help Now!
A.Potassium chloride
B.Potassium carbonate
C.Potassium hydroxide
D.Sodium bicarbonate
2.
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
3.
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.angiospermsB.gymnosperms
C.monocotyledonsD.dicotyledons
4.
Pollination is best defined as
A.transfer of pollen from anther to stigma
B.germination of pollen grains
C.growth of pollen tube in ovule
D.visiting flowers by insects
6.
Movement of cell against concentration gradient is called
A.osmosis
B.active transport
C.diffusion
D.passive transport
7.
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
8.
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
9.
Plants synthesis protein from
A.starch
B.sugar
C.amino acids
D.fatty acids
10.
Plants absorb dissolved nitrates from soil and convert them into
A.free nitrogen
B.urea
C.ammonia
D.proteins
11.
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
12.
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
Introducing our Online Essay Writing Services Agency, where you can confidently place orders for a wide range of academic assignments. Our reputable homework writing company specializes in crafting essays, term papers, research papers, capstone projects, movie reviews, presentations, annotated bibliographies, reaction papers, research proposals, discussions, and various other assignments. Rest assured, our content is guaranteed to be 100% original, as every piece is meticulously written from scratch. Say goodbye to concerns about plagiarism and trust us to deliver authentic and high-quality work.
WRITE MY ESSAY NOW
