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The type of roots present in mustard plant is
1. Fibrous roots
2. Adventitious roots
3. Tap roots
4. Nodulated roots

In wheat plant ________ root system is present.
1. Nodulated
2. Tap
3. Fibrous
4. Prop

The tap roots of ______ gets modified to store food.
1. Carrot
2. Onion
3. Ginger
4. Sweet potato

Supporting roots coming out of the lower nodes of the sugarcane stem are called
1. Prop roots
2. Stilt roots
3. Pneumatophores
4. Fusiform roots

In Rhizophora, roots are modified to form
1. Tuberous roots
2. Pneumatophores
3. Stilt roots
4. Storage roots

In gourds, axillary buds develop spirally coiled structures called
1. Thorns
2. Tendril
3. Offsets
4. Suckers

Stems are modified into flattened structures, which carryout photosynthesis in
1. Euphorbia
2. Opuntia
3. Bougainvillea
4. Colocasia

Leaf base may bear two lateral small leaf like structures called
1. Lamina
2. Pulvinus
3. Stipules
4. Sepals

Which one of the following plants shows alternate phyllotaxy?
1. Sunflower
2. Guava
3. Nerium
4. Calotropis

The flower of which of the following plant is zygomorphic?
1. Bean
2. Datura
3. Mustard
4. Canna

Which of the following plant has a superior ovary?
1. Peach
2. Guava
3. China rose
4. Rose

Match the column-I with column-II with respect to aestivation.
    Column-I                           Column-II
a.                            (i) Valvate
b.                           (ii) Vexillary
c.                             (iii) Twisted
d.                             (iv) Imbricate
1. a(ii), b(i), c(iv), d(iii)
2. a(iii), b(ii), c(iv), d(i)
3. a(iv), b(ii), c(iii), d(i)
4. a(i), b(iii), c(iv), d(ii)

In ______ placentation, the placenta forms a ridge along the ventral suture of the ovary.
1. Axile
2. Basal
3. Free central
4. Marginal

The stony hard part of the mango represents
1. Mesocarp
2. Epicarp
3. Endosperm
4. Endocarp

The inner layer of the seed coat is called
1. Testa
2. Hilum
3. Micropyle
4. Tegmen

Which of the following plant has endospermic seed?
1. Bean
2. Gram
3. Pea
4. Castor

Which is not a modification of stem?
1. Tuber of potato
2. Pitcher of Nepenthes
3. Corm of Colocasia
4. Rhizome of ginger

Select an incorrect match
1. Whorled phyllotaxy – Alstonia, Nerium
2. Decussate phyllotaxy – Quisqualis, Psidium, Syzygium
3. Alternate phyllotaxy – Mustard, China rose, Sunflower
4. Opposite phyllotaxy – Zinnia, Calotropis

Most common fruits of fabaceae and brassicaceae are respectively
1. Lomentum and Siliqua
2. Legume and Samara
3. Lomentum and Silicula
4. Legume and Siliqua

 is the floral formula of   
1. Brassica
2. Allium
3. Sesbania
4. Petunia

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

In china rose the flower are
1. Actinomorphic, epigynous with valvate aestivation
2. Zygomorphic, hypogynous with imbricate aestivation
3. Zygomorphic, epigynous with twisted aestivation
4. Actinomorphic, hypogynous with twisted aestivation

Placentation in tomato and lemon is
1. Marginal
2. Axile
3. Parietal
4. Free central

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. Two
2. Three
3. Four
4. Five

Cymose inflorescence is present in
1. Trifolium
2. Brassica
3. Solanum
4. Sesbania

The 'Eyes' of the potato tuber are :
1. Axillary buds
2. Root buds
3. Flower buds
4. Shoot buds

A drupe develops in :
1. Tomato
2. Mango
3. Wheat
4. Pea

Whorled simple leaves with reticulate venation are present in
1. China Rose
2. Alstonia
3. Calotropis
4. Neem

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

Sweet potato is homologous to
1. Ginger
2. Turnip
3. Potato
4. Colocasia

Which one of the following is a xerophytic plant in which the stem is modified into the flat, green and succulent structure?
1. Opuntia
2. Casuarina
3. Hydrilla
4. Acacia

Thorn of Bougainvillea and tendril of cucurbita are example of
1. Retrogressive evolution
2. Analogous organs
3. Homologous organs
4. Vestigial organs