Gymnosperms
BIOXI03: PLANT KINGDOM

332096 Which one of the following is an incorrect statement?

1 In mosses gametophyte has a protonemal and leafy stage
2 In gymnosperms female gametophyte is free living
3 Antheridiophores and archegoniophores are present in bryophytes
4 Origin of seed habit can be traced in pteridophytes
BIOXI03: PLANT KINGDOM

332097 In which one of the following male and female gametophytes do not have free living independent existence?

1 Pinus
2 Cedrus
3 Gingko
4 All of them
BIOXI03: PLANT KINGDOM

332098 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.
Reason :
Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.

1 Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3 Assertion is true but Reason is false.
4 Assertion is false but Reason is true
BIOXI03: PLANT KINGDOM

332099 Which of the following statements are correct for conifers?

1 Needle like leaves to reduce surface area.
2 Thick cuticle on leaves.
3 Sunken stomata to reduce water loss.
4 All are correct
BIOXI03: PLANT KINGDOM

332096 Which one of the following is an incorrect statement?

1 In mosses gametophyte has a protonemal and leafy stage
2 In gymnosperms female gametophyte is free living
3 Antheridiophores and archegoniophores are present in bryophytes
4 Origin of seed habit can be traced in pteridophytes
BIOXI03: PLANT KINGDOM

332097 In which one of the following male and female gametophytes do not have free living independent existence?

1 Pinus
2 Cedrus
3 Gingko
4 All of them
BIOXI03: PLANT KINGDOM

332098 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.
Reason :
Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.

1 Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3 Assertion is true but Reason is false.
4 Assertion is false but Reason is true
BIOXI03: PLANT KINGDOM

332099 Which of the following statements are correct for conifers?

1 Needle like leaves to reduce surface area.
2 Thick cuticle on leaves.
3 Sunken stomata to reduce water loss.
4 All are correct
BIOXI03: PLANT KINGDOM

332096 Which one of the following is an incorrect statement?

1 In mosses gametophyte has a protonemal and leafy stage
2 In gymnosperms female gametophyte is free living
3 Antheridiophores and archegoniophores are present in bryophytes
4 Origin of seed habit can be traced in pteridophytes
BIOXI03: PLANT KINGDOM

332097 In which one of the following male and female gametophytes do not have free living independent existence?

1 Pinus
2 Cedrus
3 Gingko
4 All of them
BIOXI03: PLANT KINGDOM

332098 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.
Reason :
Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.

1 Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3 Assertion is true but Reason is false.
4 Assertion is false but Reason is true
BIOXI03: PLANT KINGDOM

332099 Which of the following statements are correct for conifers?

1 Needle like leaves to reduce surface area.
2 Thick cuticle on leaves.
3 Sunken stomata to reduce water loss.
4 All are correct
BIOXI03: PLANT KINGDOM

332096 Which one of the following is an incorrect statement?

1 In mosses gametophyte has a protonemal and leafy stage
2 In gymnosperms female gametophyte is free living
3 Antheridiophores and archegoniophores are present in bryophytes
4 Origin of seed habit can be traced in pteridophytes
BIOXI03: PLANT KINGDOM

332097 In which one of the following male and female gametophytes do not have free living independent existence?

1 Pinus
2 Cedrus
3 Gingko
4 All of them
BIOXI03: PLANT KINGDOM

332098 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.
Reason :
Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.

1 Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3 Assertion is true but Reason is false.
4 Assertion is false but Reason is true
BIOXI03: PLANT KINGDOM

332099 Which of the following statements are correct for conifers?

1 Needle like leaves to reduce surface area.
2 Thick cuticle on leaves.
3 Sunken stomata to reduce water loss.
4 All are correct