Multiple Choice QuestionsHow many plants in the list given below have composite fruits that develop from an inflorescence?
Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry
Four
Five
Two
Two
Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it(mostly the nucleus)
Insulin and glucagon
Thyroxin and insulin
Somartostatin and oxytocin
Somartostatin and oxytocin
Which one is the most abundant protein in the animal world?
Trypsin
Haemoglobin
Collagen
Collagen
Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?
Diplontic life style
Members of kingdom-Plantae
Mode of nutrition
Mode of nutrition
Which one out of A – D given below correctly represents the structural formula of the basic amino acid?
C
D
A
A
What is correct to say about the hormone action in humans?
Glucagon is secreted by 
-cells of Islets of Langerhans and stimulates glycogenolysis
Secretion of thymosine is stimulated with ageing
In females, FSH first binds with specific receptors on ovarian cell membrane
In females, FSH first binds with specific receptors on ovarian cell membrane
Closed vascular bundles lack
ground tissue
conjunctive tissue
cambium
cambium
C.
cambium
In dicot system, cambium is present between phloem and xylem. Such vascular bundles, because of the presence of cambium, posses the ability to form secondary xylem and phloem tissues and hence, are called open vascular bundles. On the contrary, vascular bundles in monocots have no cambium. Hence, they do not form secondary tissues, and are referred to as closed.
Which one of the following is the correct statement for respiration in humans?
Cigarette smoking may lead to inflammation of bronchi
Neural signals from pneumotoxic centre in pons region of brain can increase the duration of inspiration
Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.
Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.
Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage?
Prophase-I during meiosis
Prophase-II during meiosis
Prophase of mitosis
Prophase of mitosis
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