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Arrange the following with respect to increasing life span : Rose, Fruit fly, Rice
1. Fruit fly, Rice, Rose 
2. Rose, Rice, Fruit fly
3. Rice, Rose, Fruit fly 
4. Fruit fly, Rose, Rice

Process of reproduction which results in production of identical offsprings is
1. Complex, fast 
2. Simple, slow 
3. Fast, simple 
4. Fast, elaborate

For which of the following organisms there is no natural death?
1. Bacteria reproducing by sporulation 
2. Yeast reproducing by budding
3. Unicellular organisms reproducing by spores 
4. Unicellular organisms reproducing by binary fission

Cell division itself is a mode of reproduction in
1. Amoeba, Penicillium
2.  Chara, Bacteria
3. Chlamydomonas, Penicillium 
4. Amoeba, Bacteria

In which of the following plants root bud is involved in vegetative propagation?
1. Sugarcane 
2. Banana 
3. Ginger 
4. Dahlia

For commercial propagation of banana and ginger which of the following parts are utilised respectively?
1. Rhizome, Sucker 
2. Rhizome, Tuber 
3. Tuber, Bulb 
4. Sucker, Rhizome

Choose odd one with respect to vegetative propagule involved in cultivation in following plants
1. Banana 
2. Ginger 
3. Bryophyllum 
4. Potato

What would be the number of chromosomes in the meiocyte and gamete of onion respectively?
1. 24, 12 
2. 34, 17 
3. 16, 8 
4. 14, 17

Give the ploidy of following structures in angiospermic plants.
Zygote, Endosperm, Ovum
1. n, n, 2n 
2. 2n, 2n, n 
3. 2n, 3n, n 
4. 2n, n, 2n

Given figures labelled by A & B represent

                       A                                        B
1. Isogametes of Rhizopus          Heterogametes of Fucus
2. Isogametes of Cladophora       Heterogametes of Fucus
3. Isogametes of Rhizopus         Heterogametes of angiosperms
4. Isogametes of Chara               Heterogametes of Synchytrium

Members of which of the following groups reproduce through special asexual reproductive structures?
1. Algae, Bryophytes 
2. Fungi, Algae
3. Pteridophytes, Angiosperms 
4. Fungi, Pteridophytes

In vegetative propagule of potato and Bryophyllum new plants arise from respectively
1. Axillary bud, Adventitious bud 
2. Adventitious bud, Axillary bud
3. Axillary bud, Axillary bud 
4. Leaf bud, Axillary bud

Study the following statements and choose the correct option.
I. Life spans of organisms are correlated with sizes.
II. Death of all individuals is certain
III. The organism's habitat, internal physiology etc. are collectively responsible for how it reproduces.
IV. When offspring is produced by single parent with or without involvement of gamets formation is called
asexual reproduction.
1. I, II are correct 
2. III, IV are correct
3. I, III are correct 
4. II, IV are correct

Which of the following statement about vegetative reproduction is incorrect?
1. Stem cutting is a common horticultural method of plant propagation
2. In trench layering, the basal branch may pegged at several places in soil at regular intervals
3. Stock has large diameter than scion in crown grafting
4. Gootee is an ancient method of propagation in subtropical trees and shrubs

Select the incorrect statement
1. Zygote is thick walled diploid sexual spore
2. Flowers are bisexual in sweet potato
3. Ulothrix shows external fertilisation
4. The nucule in Chara has a cap of five coronary cells

Choose correct option with respect to division during gamete formation and division in zygote for organisms having
haplontic life cycle respectively.
1. Mitosis, mitosis 
2. Meiosis, meiosis 
3. Mitosis, meiosis 
4. Meiosis, mitosis

Choose correct option with respect to given bellow thallus

1. Produce male gamete
2. Form sexual branches as antheridiophore
3. After fertilisation possess zygote
4. More than one option is correct

The vital link that ensures continuity of species between organisms of one generation and next are all, except
1. Zygospore 
2. Oospore 
3. Zygote 
4. Oosphere

Choose the correct options
I. Gametes are always produced from diploid parent plant body.
II. Meiocytes are sporocytes in all plants.
III. The gymnosperms and pteriodophytes have diploid parent body.
IV. In seed plants, pollen grains are carrier of male gametes.
1. I, II are correct 
2. III, IV are correct
3. I, III are correct 
4. II, IV are correct

Choose the correct option from following statements.
I. During embryogenesis, zygote undergoes mitotic cell division.
II. In organisms with diplontic life cycle, zygote divides by meiotic cell division.
III. The pericarp (fruit wall) develop from integument of ovule, after fertilization.
IV. In brinjal, sepals remained attached to fruit even after fertilization.
1. I, II are incorrect but III, IV are correct 
2. III, IV are incorrect but II, III are correct
3. I, IV are incorrect but II, III are correct 
4. II, III are incorrect but I, IV are correct

Offsets are produced by 
1. Meiotic divisions 
2. Mitotic divisions
3. Parthenogenesis 
4. Parthenocarpy

Which of the following flowers only once in its life-time? 
1. Bamboo species 
2. Jackfruit
3. Papaya 
4. Mango

Which one of the following statements is not correct? 
1. Offspring produced by the asexual reproduction are called clone
2. Microscopic, motile asexual reproductive structures are called zoospores
3. In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem
4. Water hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes

Which of the following pairs is not correctly matched? 
Mode of reproduction                        Example
1. Conidia                                    Penicillium
2. Offset                                      Water hyacinth
3. Rhizome                                   Banana
4. Binary fission                            Sargassum

Which one of the following is wrong about Chara? 
1. Upper oogonium and lower round antheridium
2. Globule and nucule present on the same plant
3. Upper antheridium and lower oogonium
4. Globule is male reproductive structure

Isogamous condition with non-flagellated gametes is found in 
1. Spirogyra
2. Volvox 
3. Fucus 
4. Chlamydomonas

Select the wrong statement:
1. Anisogametes differ either in structure, function or behaviour
2. In Oomycetes female gemete is smaller and motile, while male gamete is larger and non- motile
3. Chlamydomomas exhibits both isogamy and anisogamy and Fucus shows oogamy
4. Isogametes are similar in structure, function and behaviour

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?
1. Mode of Nutrition 
2. Multiplication by fragmentation
3. Diplontic life cycle 
4. Members of kingdom Plantae

Which one of the following pairs is wrongly matched while the remaining three are correct?
1. Bryophyllum – Leaf buds 
2. Agave – Bulbils
3. Penicillium – Conidia 
4. Water hyacinth – Runner

Which of the following propagates through leaf-tip?
1. Walking fern
2. Sprout-leaf plant
3. Marchantia
4. Moss

In oogamy, fertilization involves
1. A small non-motile female gamete and a large motile male gamete
2. A large non-motile female gamete and a small motile male gamete
3. A large non-motile female gamete and a small non-motile male gamete
4. A large motile female gamete and a small non-motile male gamete

In which one of the following pair both the plants can be vegetatively propagated by leaf buds?
1. Agave and Kalanchoe
2. Bryophyllum and Kalanchoe
3. Asparagus and Bryophyllum
4. Chrysanthemum and Agave

Why is vivipary an undesirable character for annual crop plants?
1. It reduces the vigour of the plant
2. It adversely affects the fertility of the plant
3. The seeds exhibit long dormancy
4. The seeds cannot be stored under normal conditions for the next season