Practice the AP 7th Class Science Bits with Answers Chapter 12 Reproduction in Plants on a regular basis so that you can attempt exams with utmost confidence.
AP State Syllabus 7th Class Science Bits 12th Lesson Reproduction in Plants with Answers
Choose the correct answer.
Question 1.
It is the seat on which the parts of a flower are present.
A) Corolla
B) Thalamus
C) Calyx
D) Androecium
Answer:
B) Thalamus
Question 2.
It has funnel shape.
A) Corolla
B) Sepals
C) Calyx
D) Thalamus
Answer:
A) Corolla
Question 3.
The most attractive part of a plant is
A) roots
B) leaves
C) flowers
D) fruits
Answer:
C) flowers
Question 4.
This is the male part of the flower.
A) Gynoecium
B) Androecium
C) Petals
D) Sepals
Answer:
B) Androecium
Question 5.
This is the female part of a flower.
A) Petals
B) Calyx
C) Gynoecium
D) Androecium
Answer:
C) Gynoecium
Question 6.
An example for unisexual flower.
A) Bittergourd
B) Datura
C) Ipomea
D) Hibiscus
Answer:
A) Bittergourd
Question 7.
This is a bisexual flower.
A) Papaya
B) Cucumber
C) Bottlegourd
D) Hibiscus
Answer:
D) Hibiscus
Question 8.
This sucks nectar from flowers.
A) Man
B) Animal
C) Butterfly
D) Any one
Answer:
C) Butterfly
Question 9.
New plants grow from buds on the leaf of the plant.
A) Potato
B) Sugarcane
C) Bryophyllum
D) Carrot
Answer:
C) Bryophyllum
Question 10.
New plants grow from the modified root of the plant.
A) Dhalia
B) Potato
C) Onion
D) Mint
Answer:
A) Dhalia
Question 11.
The fleshy base to which all the floral parts are attached to is
A) Pedicel
B) Sepals
C) Thalamus
D) Petals
Answer:
C) Thalamus
Question 12.
The pollen grains are found in
A) Ovule
B) Anthers
C) Ovary
D) Stigma
Answer:
B) Anthers
Question 13.
The number of stamens present in Datura:
A) 5
B) 3
C) 6
D) 10
Answer:
A) 5
Question 14.
Ovules develop into:
A) flowers
B) plants
C) leaf
D) seeds
Answer:
D) seeds
Question 15.
The pollen grains contain:
A) male garnets
B) female garnets
C) filaments
D) none
Answer:
A) male garnets
Question 16.
Vegetative propagation in plantain is by:
A) leaf
B) tuberous stem
C) root
D) fruit
Answer:
B) tuberous stem
Question 17.
The stem of a ginger develops into a new plant if a piece of it is cut along with
A) Scale leaves
B) Nodes
C) Bud
D) Roots
Answer:
C) Bud
Question 18.
An example for vegetative propa¬gation through leaves:
A) Ginger
B) Begonia
C) Plantain
D) Grass
Answer:
B) Begonia
Question 19.
An example for vegetative propa¬gation through stem:
A) Plantain
B) Begonia
C) Bryophyllum
D) Ginger
Answer:
D) Ginger
Question 20.
In curry leaf plant vegetative propagation occurs through.
A) leaf
B) roots
C) stem
D) nodes
Answer:
B) roots
Question 21.
It is a …………
A) Unisexual flower
B) Bisexual flower
C) Female flower
D) Male flower
Answer:
B) Bisexual flower
Question 22.
In which type of flower this part is present
A) Male flower
B) Bisexual flower
C) Both A & B
D) None of these
Answer:
C) Both A & B
Question 23.
Identify the part of flower.
A) Stamen
B) Pistil
C) Petals
D) Sepals
Answer:
A) Stamen
Question 24.
Identify the part of flower.
A) Stamen
B) Pistil
C) Petals
D) Sepals
Answer:
B) Pistil
Question 25.
It shows that
A) T.S of flower
B) L.S of flower
C) T.S of stem
D) T.S of root
Answer:
B) L.S of flower
Question 26.
Pollen grains are formed from
A) Stamen
B) Pistil
C) Ovary
D) Sepals
Answer:
A) Stamen
Question 27.
Which type of reproduction is this?
A) Sexual reproduction
B) Budding
C) Sporulation
D) Vegetative reproduction
Answer:
D) Vegetative reproduction
Question 28.
Identify the reproduction method in this picture.
A) Sexual reproduction
B) Sporulation
C) Budding
D) None of these
Answer:
C) Budding
Question 29.
What are the plants that you have observed in this picture?
A) Yeast
B) Bread mould
C) Bryophyllum
D) Tamarind
Answer:
A) Yeast
Question 30.
In the pollination what is transfer from anther to stigma?
A) Ovule
B) Zygote
C) Seed
D) Pollengrain
Answer:
D) Pollengrain
Question 31.
The following called fertilization
A) Fusion of male and female parts
B) Fusion of stamen and style
C) Fusion of sepals and petals
D) Fusion of ovule and ovary
Answer:
A) Fusion of male and female parts
Question 32.
Which protects the flower at bud stage?
A) Stamen
B) Stigma
C) Petals
D) Sepals
Answer:
D) Sepals
Question 33.
Potato is a modified
A) Leaf
B) Flower
C) Stem
D) Root
Answer:
C) Stem
Question 34.
Agents of pollination
A) Birds
B) Insects
C) Air
D) All of these
Answer:
D) All of these
Question 35.
How many stamens are present in this flower?
A) 2
B) 3
C) 4
D) 5
Answer:
D) 5
Question 36.
What do you observe in the figure?
A) Eyes
B) Nose
C) Mouth
D) Ears
Answer:
A) Eyes
Question 37.
New plants grow from the following part of a plant is not a vegetative reproduction
A) Root
B) Stem
C) Leaf
D) Flower
Answer:
D) Flower
Question 38.
Bryophyllum can propogate through the following part of the plant
A) Root
B) Stem
C) Leaf
D) Flower
Answer:
C) Leaf
Question 39.
In this plant, new plants grows from bulbs
A) Onion
B) Sweet potato
C) Sugarcane
D) Mint
Answer:
A) Onion
Question 40.
Identify the right Matching.
1) Bread mould — a) Eyes
2) Yeast — b) Spores
3) Potato — c) Budding
A) 1 – b, 2 – c, 3 – a
B) 1 – c, 2 – b, 3 – a
C) 1 -c, 2, a, 3-b
D) 1 – a, 2 – b, 3 – c
Answer:
A) 1 – b, 2 – c, 3 – a
Question 41.
Which of the following are unisexual flowers?
A) Ridge gourd
B) Bitter gourd
C) Bottle gourd
D) All the above
Answer:
D) All the above
Question 42.
Potato: eye:: Bryophllum:.
A) Leaves
B) Stem
C) Root
D) Flower
Answer:
A) Leaves
Question 43.
Teacher asked Ramesh to observe small depressions on surface of a potato. What do you infer in this observation?
A) To study the modification in potato
B) To measure the dimentions of potato
C) To study vegetative reproduction in potato
D) To know the method of preservation of potato
Answer:
C) To study vegetative reproduction in potato
Question 44.
“Florets ” is the chief characteristic of this plant
A) Neem
B) Mango
C) Papaya
D) Sunflower
Answer:
D) Sunflower