Angiosperms

Q.

Male gametophyte with the least number of cells present in

1. Pteris

2. Lilium

3. Funaria

4. Pinus

Q.

Sporophyte dependent on gametophyte occurs in which of the following options?

1. Pteridophytes

2. Fungi

3. Algae

4. Bryophytes

Q.

Which is the largest flower in the world?

1. Rafflesia arnoldii

2. Cacti

3. Lotus

4. Titan arum

Q. Select the characteristic features of a monocot.

1. Parallel venation
2. Fibrous root system
3. Tap root system
4. Single cotyledon in seed

Q. Gynogenic haploids are produced by using

1. unfertilized ovules
2. fertilized ovules
3. somatic embryo
4. shoot apex

Q.

Select the two wrong statements from the following

(1) Plant families Convolvulaceae and Solanaceae are included in the order Polemoniales based on the vegetative characters.

(2) Plant families Convolvulaceae and Solanaceae are included in the order Polemonials based on the floral characters.

(3) The animal order Carnivora, includes families like Felidae and Canidae.

(4) Fishes, amphibians, reptiles and birds belong to the same class in animal classification.

1. 1 and 2

2. 2 and 3

3. 2 and 4

4. 1 and 4

Q. Which plant group is not included in ‘Embryophyta’?

1. Thallophyta
2. Bryophyta
3. Spermatophyta
4. None of these

Q. ________ and ________ are the male gametophyte and female gametophyte of the flowering plants, respectively.

1. Embryo sac, pollen grain
2. Pollen grain, embryo sac
3. Prothallus, protonema
4. Pollen grain, ovule

Q.

Floridean starch occurs in

1. Rhodophyceae

2. Phaeophyceae

3. Myxophyceae

4. Chlorophyceae

Q.

The suffix of family ends with

1. aceae

2. ieae

3. ordae

4. eae

Q. In a flower, if a megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be

1. haploid
2. triploid
3. a few haploid and few diploid
4. diploid

Q. Pollen grains develop inside the

1. filament
2. carpel
3. anther
4. megasporangium

Q. Outer seed coat is known as

1. caruncle
2. operculum
3. testa
4. aril

Q. Obligate parasites live on

1. Living host only
2. Living host and dead organic mater
3. Artificial liquid medium
4. Dead organic mater only

Q.

What is the Female Gametophyte in Angiosperms?

Q.

The smallest and tallest angiosperms belong to

1. Lemna and Eucalyptus respectively

2. Wolffia and Sequoia respectively

3. Wolffia and Eucalyptus respectively

4. Eucalyptus and Wolffia respectively

Q. How many meiotic divisions are required for the formation of 50 functional megaspores?

1. 100
2. 26
3. 25
4. 50

Q. Gametophyte is the dominant phase in the life-cycle of

1. Hibiscus
2. Cycas
3. Nephrolepis
4. Riccia

Q.

Both gymnosperms and angiosperms bear seeds, then why are they classified separately?

Q.

What are the economic Importance of Gymnosperms & Angiosperms?

Q. Heterocysts are present in ____________.

1. Riccia
2. Albugo
3. Ulothrix
4. Nostoc

Q. What is the importance of identification in biology

Q.

The stamen of the flowers in Fabaceae family are __

Q.

The embryo sac of angiosperms is made up of ___

1. 8 cells with 7 nuclei

2. 7 cells with 8 nuclei

3. 6 cells with 12 nuclei

4. 7 cells with 6 nuclei

Q. In Pinus, needle vascular bundles are

1. Conjoint collateral and open
2. Collateral and closed bicollateral
3. Amphicribal
4. Radial

Q.

In root nodules of legumes, leg-haemoglobin is important because it

1. Acts as a catalyst in transamination

2. Transports oxygen to the root nodule

3. Acts as an oxygen scavenger

4. Provides energy to the nitrogen fixing bacterium

Q. how we will differentiate epicarp mesocarp and endocarp in coconut?

Q.

what is meant by phylogenetic system ??

Q.

Highly evolved plants are grouped together in __________.

1. Gymnosperms

2. Angiosperms

3. Pteridophyte

4. Bryophyte

Q.

What type of placentation is seen in sweet pea?

1. Basal

2. Axile

3. Marginal

4. Free central