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Which of the following is wrongly matched in the given table?

Biofortified maize hybrids are improved for

Which among the following is not the function of melatonin?

In phloem transport, the source-sink relationship is variable. Identify the incorrect statement in support of this.

Describe the arrangement of floral members in relation to their
insertion on thalamus?

Steroid hormones can:

Coconut milk (coconut water) is widely used in tissue culture because it contains

What direction is a molecule of DNA oriented along?

The Mycoplasma

Which of the following statements are true regarding Griffith’s Experiment?
I. Biochemical nature of genetic material is known.
II. Experimental bacteria is Streptococcus
III. Heat killed virulent bacteria is transformed.
IV. S strain is virulent as it lacks capsule

Hydroponics is a technique of:

Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?

Which blood vessel has the largest amount of urea?

Q1. What is the moral issue that the story raises?

The most common type of endosperm development is

List the
various abiotic environmental factors.

Bone marrow occurs in______.

Choose the correct statement

Which of the following will not possibly lead to a pregnancy?

Match the following:

$\begin{array}{cc}\text{Column - I}& \text{Column - II}\\ \text{i. Ethmoid}& \text{a. are situated at the sides and base of the skull}\\ \text{ii. Sphenoid}& \text{b. contains the large opening of the foramen magnum}\\ \text{iii. Frontal}& \text{c. situated on the sides and the roof of the skull}\\ \text{iv. Parietal}& \text{d. forms the forehead.}\\ \text{v. Temporal}& \text{e. is found in the nasal septum}\\ \text{vi.Occipital}& \text{f. houses the optic canal}\end{array}$

Both carotenoids and chlorophylls

Identify the correct sequence of steps in the process of photosynthesis.

Secretion stands as the main functions of this epithelium

Blood from pericardial sinus enters the heart of cockroach through:

Which is/are gametophytes in Pinus?

Choose a site along the electron transport chain out of the following that is not coupled to ATP synthesis.

Explain the process of digestion of food in mouth, stomach and small intestine in human body.

Tara is the little in purple dress and this is her family. How is her father's sister related to her?

Given below are certain statements regarding sperm organelles. With respect to these statements, choose the correct option.

Statement 1: Centrioles provide polarity to the sperm.

Statement 2: Centrioles release energy when mitochondria in sperm become dysfunctional.

Statement 3: Centrioles help in cell division in the zygote formed post fertilisation.

Statement 4: Sperm do not possess centrioles.