Plant Kingdom

Question 1

Algae occur in association with fungi as _____ and with animals (eg ______)

Answer 1

Lichens, sloth bear

Question 2

Volvox is _______, while ulothrix and spirogyra are ________. (Filamentous/colonial)

Answer 2

Colonial, filamentous

Question 3

A few of the marine algae like ______ form massive plant bodies.

Answer 3

Kelps

Question 4

Asexual reproduction in algae most commonly takes place through ________.

Answer 4

Zoospores

Question 5

The gametes of ulothrix are _______ and _______.

Answer 5

Isogamous, flagellated

Question 6

The gametes of volvox and fucus are _________.

Answer 6

Oogamous

Question 7

The gametes of spirogyra are ______ and ______.

Answer 7

Isogamous, non-flagellated

Question 8

Gametes of _______ are anisogamous.

Answer 8

Eudorina

Question 9

_____ is a _______ (multi/unicellular) alga, rich in proteins used as food supplement by space travellers.

Answer 9

Chlorella, unicellular

Question 10

Many species of _____, ______ & ______ are among the 70 species of marine algae used as food.

Answer 10

Laminaria, sargassum, porphyra.

Question 11

Members of chlorophyceae have their food stored in the form of ______ that contains _______ & _____, which are located in the ______.

Answer 11

Pyrenoids, proteins & starch, chloroplast.

Question 12

An example of filamentous algae in the class phaeophyceae?

Answer 12

Ectocarpus

Question 13

The vegetative cells of brown algae have a cell wall made up of ______ & ______.

Answer 13

Cellulose and algin

Question 14

The spores in brown algae are _____ shaped and have _____ flagella.

Answer 14

Pear (pyriform), two

Question 15

Red algae are found in greater concentration in ______ areas.

Answer 15

Warm

Question 16

The food in red algae is stored as ______ which is very similar to _______ and ______ in structure.

Answer 16

Floridean starch, amylopectin, glycogen

Question 17

The red algae produce ______ (motile/non-motile) spores and gametes and the gametes are ________. (Oogamous/anisogamous/isogamous/ all)?

Answer 17

Non-motile, oogamous

Question 18

Antherozoids of bryophytes have ______ flagella. (Two, three, four, one)

Answer 18

Two

Question 19

Species of sphagnum provide _____ that has a great capacity to hold water.

Answer 19

Peat

Question 20

_____ along with lichens were the first to colonize rocks.

Answer 20

Mosses

Question 21

Liverworts’ thallus is ______ and have tiny leaf like appendages in _____ (two, three) rows on _____ like structures.

Answer 21

Dorsiventral, two, stem

Question 22

The sporophyte in bryophytes are differentiated in ____, _____ & ______. After meiosis the spores are produced in the _______

Answer 22

Foot, seta & capsule.
Capsule.

Question 23

Example of liverworts?

Answer 23

Marchantia

Question 24

The first stage of the gametophyte in mosses is called the _______ stage which directly develops from a ______.

Answer 24

Protonema, spore

Question 25

The second stage is called the ______ stage which develops from the _______ (primary/secondary) protonema as a __________.

Answer 25

Leafy, secondary, lateral bud

Question 26

The _______ stage bears the sex organs in mosses.

Answer 26

Leafy

Question 27

The sporophyte in ______ is more elaborate than that in ______. (Liverworts/mosses)

Answer 27

Mosses, liverworts.

Question 28

3 examples of mosses?

Answer 28

Funaria, polytrichum, sphagnum

Question 29

______ have microphylls while _____ have macrophylls

Answer 29

Selaginella, ferns

Question 30

In some cases, the sporophylls may form distinct compact structures called strobili or cones such as in ____ & _____.

Answer 30

Selaginella and equisetum

Question 31

____ & _____ are heterosporous.

Answer 31

Selaginella & salvinia

Question 32

Name the four classes of pteridophytes?

Answer 32

Psilopsida, lycopsida, sphenopsida, pteropsida

Question 33

Example of psilopsida?

Answer 33

Psilotum

Question 34

Example of lycopsida?

Answer 34

Lycopodium, selaginella

Question 35

Example of sphenopsida?

Answer 35

Equisetum

Question 36

Example of pteropsida?

Answer 36

Adiantum, pteris, gryopteris

Question 37

Roots in ______ have fungal associations in the form of mycorrhiza.

Answer 37

Pinus

Question 38

The stems of pinus and cedrus is? (Branched/unbranched)

Answer 38

Branched

Question 39

The stems of cycas is? (Branched/unbranched)

Answer 39

Unbranched

Question 40

Roots in cycas are ______. (Coralloid/tap) and their leaves are ______. (Compound/pinnate)

Answer 40

Coralloid, pinnate

Question 41

The male and female strobili maybe on the same tree as in ______ or on different trees as in ______.

Answer 41

Pinus, cycas

Question 42

The ovules are borne on _________ in the form of _______ in gymnosperms.

Answer 42

Megasporophylls, megasporangium

Question 43

4 examples of gymnosperms?

Answer 43

Sequoia, cycas, pinus, ginkgo

Question 44

The smallest angiosperm is _____ and the tallest is _____.

Answer 44

Wolffia, eucalyptus

Question 45

The dicotyledons are characterized by ______, _______ & _______.

Answer 45

Two cotyledons, reticulate venations, tetramerous/pentamerous flowers.

Question 46

The monocotyledons are characterized by having ______, _____ & ______.

Answer 46

One cotyledon, parallel venations, trimerous flowers

Question 47

In angiosperms, each ovule has a _______ that undergoes meiosis to form 4 haploid megaspores. ______ of them degenerate and the remaining divide to form the _______.

Answer 47

Megaspore mother cell, three, embryo sac.

Question 48

Each embryo sac has ______, _______, ______ & _______.

Answer 48

One egg cell, three antipodal cells, two synergids & two polar nuclei.

Question 49

Two polar nuclei fuse to form a __________.

Answer 49

Diploid secondary nucleus

Question 50

The pollen tubes discharge ______ (one, two, three) gamete(s) in the embryo sac.

Answer 50

Two

Question 51

One of the gametes discharged fuses with the _________ to form a zygote. The other fuses with the _______ to form _____________.

Answer 51

Egg cell, diploid secondary nucleus, triploid primary endosperm nucleus.

Question 52

Since in this process, two fusions occur ie ______ & _______, this event is termed as double fertilisation.

Answer 52

Syngamy & triple fusion.

Question 53

Algae such as ____, _____ & ______ are haplontic.

Answer 53

Spirogyra, volvox, chlamydomonas

Question 54

_____, an alga is diplontic. ______ & ______ are also diplontic.

Answer 54

Fucus, angiosperms & gymnosperms

Question 55

______ & _______ are haplo-diplontic. Some algal genera like _____, ______ & ______ are also haplo-diplontic.

Answer 55

Bryophytes & pteridophytes. Polysiphonia, kelps, ectocarpus