Complete and Incomplete Flower

Q.

Where are the zygote formed in the flowering plants?

Q. Statement 1: The flower which has all the whorls is called a complete flower.

Statement 2: Cucumber and maize are examples of complete flowers.

1. Only statement 1 is correct
2. Both statements are correct
3. Only statement 2 is correct
4. Both statements are incorrect

Q.

Sort the following examples into unisexual flowers and bisexual flowers - Coconut, Maize, Cucumber, Papaya, Castor, Onion, Watermelon.

Q. Match the whorls of a flower with their respective units.

$\begin{array}{cc}& \\ \text{Whorls}& \text{Units}\\ \text{i) Corolla}& \text{A) Stamens}\\ \text{ii) Calyx}& \text{B) Carpels}\\ \text{iii) Androecium}& \text{C) Sepals}\\ \text{iv) Gynoecium}& \text{D) Petals}\end{array}$

1. i-B), ii-A), iii-C), iv-D)
2. i-D), ii-B), iii-C), iv-B)
3. i-B), ii-C), iii-B), iv-A)
4. i-D), ii-C), iii-A), iv-B)

Q.

The process of fusion of the male and the female gametes is called

1. fertilization

2. pollination

3. reproduction

4. seed formation

Q.

Where does the fertlization of the egg take place in angiospermic plants?

Q. The correct sequence of reproductive stages seen in flowering plants are:

1. Gamete → zygote → embryo → seedling
2. Zygote → Gamete → Embryo → Seedling
3. 
   Seedling→ Embryo → Zygote→ Gametes
   
4. 
   Gamete → Embryo → Zygote → Seedling
   

Q. Differentiate between complete and incomplete flower.

Q. A flower with sepals, petals, stamens and carpels is said to be

1. incomplete
2. actinomorphic
3. imperfect
4. complete

Q. Define the terms unisexual and bisexual giving one example of each.

Q. Statement 1: The flower which has all the whorls is called a complete flower.
Statement 2: Cucumber and maize are examples of complete flowers.

1. Only statement 1 is correct
2. Only statement 2 is correct
3. Both the statements are correct
4. Both statements are incorrect

Q. Assertion :An incomplete flower can be perfect Reason: Perfect flowers (incomplete) are called neuter.

1. Both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. Both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. The assertion is true but the reason is false
4. Both the assertion and reason are false

Q. Assertion :Only few plants of papaya bear fruits, not all. Reason: Papaya bears unisexual flowers.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Assertion :Vernalisation prevents precocious reproductive development till the plant matures. Reason: Flowering may be quantitatively or qualitatively affected by vernalisation.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. A complete flower has ___ whorls.

1. 3
2. 4
3. 5
4. 6

Q.

Study the three flowers (a), (b) and (c) in the following figure. Then answer the questions.

which flower may get pollinated by flower ‘b’?

Q. Datura belong to which categories of flower?

1. Complete flower
2. Incomplete flower
3. Unisexual flower
4. Bisexual flower

Q. SHORT ANSWER TYPE
Explain the term Staminate flower.

Q.

Have a look at the flower and pick the right option from the choices given.

1. Polypetallous

2. Gamosepalous

3. Gamopetalous

4. Polyandrous

Q. A complete flower has ___ whorls.

1. 3
2. 4
3. 5
4. 6

Q. Match the whorls of a flower with their respective units.

1. Sepals
2. Petals
3. Stamens
4. Carpels

Q. Which of the following statement holds good in case of an incomplete flower?

1. Flower has 5 sepals, 5 petals and 5 stamens
2. Flower has 3 sepals, 3 petals , 3 stamens
3. All of the above
4. Flower has 5 petals, stamen and carpel

Q. Flowers in which one or more of the essential parts are absent are called incomplete flowers.

1. True
2. False

Q. Flowers in which one or more of the essential parts are absent are called incomplete flowers.

1. True
2. False

Q. Flowers which have either male or female parts are called .

1. bisexual
2. unisexual
3. polygamous

Q.

rose plant produce large, attractive bisexual flowers but they seldom produce fruits. on the other hand a tomato plant produces plenty of fruits but they have small flowers. analyze the reasons for failure of fruit formation in rose.

Q. State whether the following statement is true or false.

1. True
2. False

Q. Which of the following is TRUE regarding an incomplete flower?

1. An incomplete flower always has 3 or less than 3 whorls
2. An incomplete flower is a flower which lost a whorl due to friction with physical agents like water and wind
3. An incomplete flower has 3 or fewer whorls because of it's genetic makeup
4. Both A and C

Q. Can you identify the biotic agents of pollination?

1. Bees
2. Air
3. Water
4. Birds
5. Bats
6. Butterflies
7. Flies
8. Ants

Q. SHORT ANSWER TYPE
Explain the term Incomplete flower