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In cymose type of inflorescence:
(1) Main axis continues to grow and the flowers are borne in acropetal succession.
(2) Main axis continues to grow and the flowers are borne in basipetal succession.
(3) Growth is limited and the flowers are borne in basipetal succession.
(4) Growth is limited and the flowers are borne in acropetal succession.

Ovary is one-chambered but it becomes two chambered due to the formation of a false septum in:
(1) Dianthus and Primrose
(2) Mustard and Argemone
(3) Sunflower and Marigold
(4) Pea and Lemon

Which of the following is not a floral character of the family Fabaceae?
1. Calyx - Sepals five, gamosepalous; imbricate aestivation
2. Corolla - Petals five, polypetalous; vexillary aestivation
3. Andreoecium - Ten, diadelphous, anther dithecous
4. Gynoecium - Ovary inferior, bicarpellary, unilocular with many ovules

In marginal placentation, the placenta forms a ridge along the:
1. Ventral suture of the ovary
2. Dorsal suture of the ovary
3. Anterior suture of the ovary
4. Posterior suture of the ovary

A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in:
1. Chrysanthemum
2. Pistia
3. Jasmine
4. Pineapple

Zygomorphic flower is not found in:
1. Cassia
2. Canna
3. Gulmohur
4. Bean

The following diagram can represent the position of the ovary in:

1. Brinjal
2. Guava
3. Rose
4. Mustard
 

Stem tendrils are not seen in:
1. Grapevine
2. Watermelon
3. Citrus
4. Cucumber

When a shoot tip transforms into a flower,
1. It is always solitary
2. The flower is always short-lived
3. It is never solitary
4. The flower is always long-lived

Match aerial modifications of stem given in column I with their descriptions in column II and choose your answer from the codes given below:

Codes:

In Australian Acacia, the petiole or any part of rachis becomes flattened taking the shape of a leaf and turning green in color. This structure is called as:
(1) Phylloclade
(2) Cladode
(3) Phyllode
(4) bulbil

China rose is not characterized by:
(1) Axile placentation
(2) Valvate aestivation
(3) Monoadelphous stamen
(4) Superior ovary

The given floral formula describes:
Br ⊕   P₍₃₊₃₎ A₃₊₃ G₍₃₎
1. Asparagus
2. Belladonna
3. Indigofera
4. Mustard

In vexillary aestivation:
1. The standard overlaps the wings
2. The standard overlaps the keel
3. The standard is overlapped by keel
4. The keel overlap the wings

Identify the correct statement regarding the stem morphology from the following:

The type of placentation show in the given figure is seen in:

1. Dianthus
2. Argemone
3. China rose
4. Marigold

The given floral diagram can be of:

1. Asparagus
2. Atropa belladonna
3. Mustard
4. Indigofera

Plants, which produce characteristic pneumatophores and show vivipary belong to
(1) mesophytes
(2) halophytes
(3) psammophytes
(4) hydrophytes

In Bougainvillea, thorns are the modifications of
(1) stipules
(2) adventitious root
(3) stem
(4) leaf

How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, raddish, gram and turnip have stamens with different lengths in their flowers?
(1) Three
(2) Four
(3) Five
(4) Six

Tricarpellary, syncarpous and gynoecium is found in flowers of
1. Solanaceae
2. Fabaceae
3. Poaceae
4. Liliaceae

Which of the following is not a stem modification?
1. Thorns of citrus
2. Tendrils of cucumber
3. Flattened structures of Opunita
4. Pitcher of Nepenthes

Roots play insignificant role in absorption of water in
1. sunflower
2. Pistia
3. pea
4. wheat

Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many
plants have superior ovary?
1. Five                         
2. Six
3. Three                       
4. Four

The hilum is a scar on the
1. seed, where funicle was attached
2. fruit, where it was attached to the pedicel
3. fruit, where style was present
4. seed, where micropyle was present
 

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as
(1) vexillary
(2) imbricate
(3) twisted
(4) valvate

Which one of the following statements is correct?
1. The seed in grasses is not endospermic
2. Mango is a parthenocarpic fruit
3. A proteinaceous aleurone layer is present in maize grain
4. A sterile pistil is called a staminode

An aggregate fruit is one which develops from
(1) multicarpellary syncarpous gynoecium
(2) multicarpellary apocarpus gynoecium
(3) complete inflorescence
(4) multicarpellary superior ovary

Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunnhemp, gram, guava, bean, chili, plum, Petunia, tomato, rose, Withania, potato, onion, aloe and tulip, how many plants have hypogynous flower?
(1) Six
(2) Ten
(3) Fifteen
(4) Eighteen

The gynoecium consists of many free pistils in flowers of
(1) Aloe
(2) tomato
(3) Papaver
(4) Michelia

How many plants in the list given below have composite fruits that develop from an inflorescence?
Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry
(1) Four
(2) Five
(3) Two
(4) Three

Which one of the following statements is correct?
(1) Seeds of orchids have oil-rich endosperm
(2) Placentation in primrose is basal
(3) Flower of tulip is a modified shoot
(4) In tomato, fruit is a capsule

In a unilocular ovary with a single ovule, the placentation is
1. marginal
2. basal
3. free central
4. axile

The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
1. Cotyledon
2. Endosperm
3. Aleurone layer
4. Plumule

Replum is present in the ovary of flower of
(1) lemon
(2) mustard
(3) sunflower
(4) pea

In which of the following fruits is the edible part the aril?
(1) Custard apple
(2) pomegranate
(3) Orange
(4) Litchi

The examples (s) of modified leaves are
1. tendrils of pea
2. spines of cacti
3. pitcher of the pitcher plant
4. all of the above.

Which of the following has synandrous condition
(1) Colocasia
(2) Cucurbita
(3) Mimosa
(4) Ricinus

Coconut's husk fibre, coir of commerce is extracted from
1. epicarp
2. mesocarp
3.endocarp
4. all of these

Inflorescence of which one of the following sets completely develop into composite fruits?
(1) Spike, corymb, hypanthodium
(2) Spike, female catkin, hypanthodium
(3) Umbel, catkin, spadix
(4) Female catkin, corymb, spike

How many plants in the list given below have marginal placentation?
Mustard, Tulip, Asparagus, Arhar, Sunhemp, Chilli, Colchicine, Onion, Moong, Pea, Gram, Tobacco, Lupin
(1) Four               
(2) Five                
(3) Six                  
(4) Three

Which of the following is not a main function of the root system?

In some plants a slender lateral branch arises from the base of the main axis and growing aerially for sometime, it archs downwards to touch the ground.
Find the odd one with respect to statement.

Alternate phyllotaxy means

Perianth is