Class 6 Science Chapter 7 MCQ Tests for 2020-2021
Class: 6 | Science |
Chapter: 7 | Getting to Know Plants |
Contents: | MCQ Online Tests with answers |
Class 6 Science Chapter 7 MCQ Test Free
Class 6 Science Chapter 7 MCQ Online Tests help to improve the concepts related to this chapter. Questions as well as answers are prepared from latest NCERT Books only issued for academic session 2020-2021. There are given more than 90 questions for a perfect practice of the chapter 7 of class 6 Science.
Q1
Boojho is writing some statements, choose the correct statement and help him:
[A]. Anther is a part of the pistil.
[B]. The visible part of a bud are the petals.
[C]. Lateral roots are present in a taproot.
[D]. Leaves perform the function of transpiration only.
Answer: Option C
Explanation:Tap root is the main root and the smaller side roots are called “lateral roots”. Anther is a part of stamen. The visible part of bud are the sepals. Leaf perform three main functions i.e. photosynthesis, transpiration and respiration.
Q2
Consider the following statement and choose the incorrect one:
[A]. Plants do not move around like animals do.
[B]. Most of the plants have green leaves.
[C]. Most of the plants bear flowers, called flowering plants.
[D]. The plants can be classified into three main group, as herbs, creepers and trees.
Answer: Option D
Explanation:The plants can be classified into three main group, as herbs, shrubs and trees.
Q3
In which of the following statement is or are correct?
[A]. Creeper having thin, long and weak stem which cannot stand upright and spreads on the ground.
[B]. Difference between climbers plants and creepers plant is that climbers have climbing organ like tendril but creeper plants have no such climbing organs.
[C]. The part of a plant which is below the ground in soil called root.
[D]. All the above.
Answer: Option D
Explanation:Here, all the statements are correct. Hence, your answer will be option [D].
Q4
Boojho appeared in class test where he wrote some statements but he confused to know the correct statement. Would you help him to know that?
[A]. The fruits and seeds are formed from flowers by the process of pollination and fertilization.
[B]. Pollination is done by insects, winds and water.
[C]. After fertilization, the ovules grow and become seeds.
[D]. All the above.
Answer: Option D
Explanation:Here, all the statements are correct. Hence, your answer will be option [D].
Q5
Which of the following combination of features would you observe in grass?
[A]. Parallel venation and fibrous root
[B]. Parallel venation and tap root
[C]. Reticulate venation and fibrous root
[D]. Reticulate venation and tap root
Answer: Option A
Explanation:Grass has parallel venation in leaves (veins run parallel to one another on both sides of the mid rib) and fibrous root system (bunch of similar size fibre like roots).
Q6
Read the statements carefully and choose which of the following statements is or are incorrect?
[A]. The flowers that part of a plant which contains the reproductive organs.
[B]. The green, leaf like part in the outermost circle of a flowers are called sepals.
[C]. The number of petals and sepals in flower is not always equal.
[D]. The stamen is the female part of flower.
Answer: Option D
Explanation:The stamen is the male part of flower. The stamen is actually made by two parts as, filaments and an anther.
Q7
Boojho is writing some statements about herbs, shrubs and trees. In which of the following statements is or are incorrect? Help him.
[A]. Herbs are non-woody plants and they do not grow more than one metre height.
[B]. Sunflower, cabbage, ginger, turnip, mustard are the examples of herbs.
[C]. Shrubs are medium-sized plants with a hard and woody stem branching out near the base.
[D]. Lemon, tomato, tulsi are the example of shrubs.
Answer: Option D
Explanation:Examples of herbs are tomato, mustard, turnip, radish, rice, cabbage, carrot, ginger etc. Examples of shrubs are lemon, henna, pomegranate, china rose, tulsi, croton, jasmine, rose etc.
Here, all the statements are correct except option [D]. Hence, your answer will be option [D].
Q8
Which of the following terms constituted the female part of the flower?
[A]. Sepals, petal and stamens
[B]. Stigma, style and ovary
[C]. Ovary, stamen and stigma
[D]. Ovary, style and stamen
Answer: Option B
Explanation:The Pistil or carpel is the female part of a flower. It is made up of three parts as:
Stigma: Top part of Pistil. It is sticky and receives Pollen.
Style: Middle part of pistil. It is a tube that connects stigma to ovary.
Ovary: Swollen part at the bottom of pistil that contains ovules.
Q9
Which of the following combination of features would you observe in grass?
[A]. Parallel venation and fibrous root
[B]. Parallel venation and tap root
[C]. Reticulate venation and fibrous root
[D]. Reticulate venation and tap root
Answer: Option A
Explanation:Grass has parallel venation in leaves (veins run parallel to one another on both sides of the mid rib) and fibrous root system (bunch of similar size fibre like roots).
Q10
Which of the following is the correct match between the characteristics of stem and the category of plant?
[A]. Weak stem which cannot stand upright: Creeper
[B]. Green tender stem: Shrub
[C]. Thick, hard stem with branching near the base: Tree
[D]. Thick, hard stem with branches high on the plant: Herb
Answer: Option A
Explanation:Creeper: Creeper is a plant having thin, long and weak stem, which cannot stand upright and spreads on the ground. Example – Money plant. The rest can be corrected as:
Shrub: Hard Woody stem with branching near the base. Example – Jasmine.
Tree: Hard thick woody stem with branching much above the ground on the stem. Example – Banyan, Neem.
Herb: Non-woody, soft delicate, green tender stem. Examples – Sunflower, Tomato.
What is meant by secretion?
Plants excrete water vapour and carbon dioxide from small pores called stomata. They get rid of their waste by secreting substances which are not required. This process is known as secretion.
What are unicellular organisms?
Some plants and animals consist of single-cell and are called unicellular organisms. Examples: Amoeba,
parameci, bacteria and yeast.
What are multicellular organisms?
Some animals and plants have as many as billion of cells. They are known as multicellular organisms. Examples: Man, cat, dog, pine, rose plant etc.
What is meant by stimulus?
All living things respond to their surroundings. External factors like light and temperature make living being react to them. The change that produces a response in an organism is known as stimulus.
The differences between living and non-living things
- Living things need food but non-living things do not need food.
- Living things need a habitat but nonliving things do not need a particular habitat.
- Living things are made of cells while non-living things are made of atoms.
- Living thins reproduce while nonliving things cannot reproduce.
- Living things grow and develop while non-living things do not grow and develop.
- Living things have a definite life span while the life span of non-living things depend on maintenance and other factors.