Question 4 :
In many cultivated ornamental flowers, number of petal whorls is higher than the one in wild type. Extra petals are generally modified<br/>
Question 7 :
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Choose a suitable explanation for the above situation.<br>
Question 10 :
The major role of flower in the life of plant is to?
Question 12 :
A typical flower with superior ovary and other floral parts inferior is
Question 14 :
Which of the following plants has the floral characters like zygomorphic flower, vexillary aestivation, diadelphous androecium and marginal placentation?<br/>
Question 15 :
The plant which opens during nights and closes in daytime is <br/>
Question 27 :
The type of placentation in which ovary is syncarpous, unilocular and ovules on sutures is called as <br/>
Question 29 :
Centripetally arranged sessile flowers on a flattened convex axis are found in
Question 36 :
If the filaments are fused in a single group the condition is
Question 38 :
If sepals and petals of a flower are arranged in a whorl, the flower is
Question 39 :
A flower which contains both stamen and pistil is called as
Question 43 :
Read the following statements A and B.<br/>(A) Many organs of aquatic plants float in water.<br/>(B) Large air gaps are present in the collenchyma tissues of lotus leaf.<br/>Select the correct answer.<br/>
Question 46 :
Which of the following statements are true for flowers ?<br/>(i) Flowers are always bisexual<br/>(ii) They are the sexual reproductive organs<br/>(iii) They are produced in all groups of plants<br/>(iv) After fertilization they give rise to fruits<br/><br/>
Question 48 :
Which of the following feature is absent in the family asteraceae?
Question 52 :
Which of the following statements is correct with reference to the flowers of family solanaceae?
Question 56 :
Read the statements carefully :<br/>a) Flowers are morphological and embryological marvel and the site of sexual reproduction<br/>b) The proximal end of the filament is attached to the thalamus or the petal of the flower<br/>c) The number and length of stamens are variable in flowers of different species<br/>d) stamen attached to the petal is epipetalous<br/>How many above statements are correct<br/><br/>