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CBSE Questions for Class 5 Evs Seeds And Seeds Quiz 2 - MCQExams.com
CBSE
Class 5 Evs
Seeds And Seeds
Quiz 2
In what place Pitcher plant is not found?
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Australia
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Indosnesia
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USA
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India
Explanation
The pitcher plant is found in Australia, Indonesia and Meghalaya in India, thus option $$C$$ is correct.
One of the most important nutrient that insectivorous plants are deficient is?
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Protein
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Nitrogen
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Carbohydrates
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Water
Explanation
Insectivorous plants are deficient in certain nutrients. Nitrogen is one of the most important nutrients of such kind. Thus, option $$B$$ is correct
Choose whether true or false:-
Insectivorous plants are not green in colour
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True
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False
Explanation
Insectivorous plants are found in different colours including green. They are photosynthetic thus they are found in green colour as well. Thus, the given statement is false.
How do pitcher plant "eat" their food?
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They have special stomach
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They have special juices
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They don't eat anything
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None of these
Explanation
Carnivorous plants like pitcher plant have special juices called enzymes that digest their food like insects, thus, option $$B$$ is correct
Choose whether true or false:-
Insectivorous plants only eat insects
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True
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False
Explanation
Insectivorous plants eat insects, small rodents and even mammals thus, the given statement is incorrect.
What is the biological name of pitcher plant?
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Nepenthese
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Naphtalene
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Naphtese
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Nepenthalese
Explanation
The Pitcher plant is also called Nepenthese, thus option $$A$$ is correct.
Choose which of the following is an insectivorous plant.
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Jasmine plant
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Rose plant
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Neem
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Pitcher plant
Explanation
Pitcher plant is an example of insectivorous plant, thus option $$D$$ is correct
In which of the following condition seeds do not sprout?
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Seeds kept in air tight container
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Seeds kept in moist cotton cloth
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Seeds kept in water bowl
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All of the above
Explanation
Sprouting is the germination of seed. Conditions required for germination of seed are air and water. Nutrients are already present in the cotyledons which are used by the upcoming seedling to germinate.
In an airtight jar, there is not enough oxygen for the seed to actively respire and provide energy for germination.
So, the correct answer is option A.
Which of the following seed is not used as a sprout?
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Chana
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Masoor
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Moong
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Sesame
Explanation
Sesame or Til seeds are not used as sprouts, while Chana (chick pea), Masoor (red lentil) and Moong are used as sprouts.
The process by which seeds germinate is called as:
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Soaking
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Sprouting
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Dormancy
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None of the above
Explanation
Germination is the process by which an organism grows from a seed. The most common example of germination is the sprouting of a seedling from a seed.
Germinated seeds (sprouts) can even be eaten raw or can be consumed after cooking.
So, the answer is option B.
............... is the most important factor required for the seeds to sprout.
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Temperature
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Moisture
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Humidity
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Air
Explanation
There are several external factors required for the seeds to sprout such as temperature, moisture or water, air, and light.
Out of all these factors, the most important factor is moisture. Germination of sprout does not take place without water. Water is absorbed by the seed and it softens the seed coat. It increases the permeability which in turn helps in gaseous exchange.
Thus, the correct answer is option B.
Which of the following seeds are used as spices?
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Cumin
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Mustard
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Fenugreek
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All of the above
Explanation
Spices are considered to be the root, stem, leaves or seed of a plant that are mainly used for the flavoring of food in a different manner in different areas and have some medicinal values as well.
Example of spices is cumin, mustard, fenugreek, etc. In these examples seed of the plant is used as spice.
So the correct option is D.
Which of the following seed is used make flute?
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Rajma
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Mango
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Tamarind
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None of the above
Explanation
Rajma and tamarind seeds are edible as they have great nutritional value.
Mango seeds are used in making a flute.
So, the correct option is 'B'.
Non-essential for seed germination is _______.
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Light
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Water
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Air
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Temperature
Explanation
Seeds germinate in the presence of warmth, moisture, and air.
Light is needed for germination by some plants while some other plants germinate in darkness.
Thus, light is not needed by every plant for germination.
So, the correct answer is 'Light'.
Which of the following seed has smooth texture?
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Chana
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Rajma
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Cumin
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None of the above
Explanation
Rajma seeds have a smooth texture and belong to family Fabaceae. It is a highly nutritive seed and considered good for the kidney that is why also known as a kidney bean.
So the correct option is B.
Which of the following seed used as pulse?
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Mustard
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Sesame
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Masoor
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All of the above
Explanation
Masoor also is known as red lenticel is a pulse that comes under family Fabaceae of the order Fabales and grown for its lens-shaped seeds.
So, the correct option is C.
Which of the following animal doesn't help in the scattering of seed?
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Birds
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Squirrel
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Dog
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All of the above
Explanation
Birds eat fruits and are not able to digest the seed and it can remove by excreta and disperse.
Squirrel also helps in seed dispersal by hiding it into the soil for eating later and it helps the seed to germinate.
Dogs also carry seeds which stick to their fur.
So the correct option is D.
Which of the following seed spread to the long distance by bursting?
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Mango
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Cotton
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Mustard
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Soybean
Explanation
Seed dispersal in soybean can be done by explosion mechanism as well as through birds. As the pods of soybean dried up and twist from inside and explode to scatter its seed and birds, other herbaceous animals are also used for the dispersal.
So, the correct option is 'Soybean'.
What is the nature of cotton seed?
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Hairy
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Solid
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Light
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Both A and C
Explanation
The seed of cotton is densely covered by white, rusty and hairy fibers made of cellulose that make it light and helps in its dispersal as it uses air as a medium.
So, the correct option is 'Both A and C'
Which of the following seed scatter by sticking on the fur of the animal?
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Mango
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Coconut
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Cotton
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Xanthium
Explanation
Seeds are spread through various agents like animals, air, water, birds, etc. The seeds which travel through the air are light in weight and have thin hairs. The example includes cottonseed. Some seeds stick on the fur of the animals and travel to other places. The example includes
Xanthium
.
Xanthium
seeds have stiff hooked spines which stick to the fur of the animal and scatter.
Thus, the correct answer is option A.
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