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Food is transported in plants through __ .

A non-green part of a plant is:

Which of the following is an extinct bird?

Choose the options that correctly show the direction of blood in the heart, lungs and body and the type of the circulation.

Alternation of generations consists of the following phases in plants.

What is the cause of anthrax? Which organisms are affected by anthrax? Is the disease infectious or contagious? [3 MARKS]

Match the disease with the organisms which cause them.

$\begin{array}{cc}\text{Diseases}& \text{Bacteria}\\ \text{A. Cholera}& \text{i.}Mycobacteriumtuberculosis\\ \text{B. Pneumonia}& \text{ii.}Yersiniapestis\\ \text{C. Bubonic plague}& \text{iii.}Vibriocholerae\\ \text{D. Tuberculosis}& \text{iv.}Streptococcuspneumoniae\end{array}$

What is the function of tail in fish?

Q13) The author is primarily concerned with

Match the following
$\begin{array}{cc}ColumnI& ColumnII\\ \left(A\right)Helicase& \left(M\right)activationofaminoacid\\ \left(B\right)Peptidyltransferase& \left(N\right)joinsDNAfragments\\ \left(C\right)DNApolymerase& \left(O\right)unwindsDNAhelix\\ \left(D\right)DNAligase& \left(P\right)peptidebondsbetweenaminoacids\\ \left(E\right)Aminoacylsynthetaseenzyme& \left(Q\right)DNAsynthesis\\ \left(F\right)RNAprimase& \left(R\right)synthesisofRNAprimer\end{array}$

Why palm has no hair?

Question 15

Observe the figure and attempt the questions that follow it.

(a) Label the parts (i), (ii), (iii) and (iv) in the figure.

(b) What types of venation does the leaf has?

(c) What type of venation is seen in grass leaves?

Central Sugarcane Breeding Research Institute is located at:

Which of the following part is used by the birds for walking?

Any form of response of an organism due to an external stimulus is known as

Which of the following is the correct order of organization?

Write the answer.

(a) Why is it necessary to classify living things?

(b) What are the criteria for classifying living things?

(c) Give two characteristics of non-flowering plants.

(d) Give the characteristics of herbs and give some examples.

(e) Which are the three ways of classifying plants?

(f) Which are different ways of classifying animals?

(g) What is it that protects the bodies of animals?

The two main components of blood are plasma and __________

Which among the following is absent in animal cells?

Question 4 (b)

With the help of a lens look at the pieces of paper you collected for the above question. Do you see any difference in the material of recycled paper and a new sheet of paper?

The dense matrix regular connective tissue which connects bone to bone is _____

What arrangements have been made in your village or town to dispose of the garbage that collects every day?

Green plants make their food. Humans cook their food. Then why are humans not known as producers? Explain.

Which among the following are the sources for proteins?

The basic unit of the ecological hierarchy is

In which of the following organisms the nuclear material is not bound by a membrane?

‘Cells
are the basic structural units of living organisms’. Explain.

Which of the following is a biotic factor for a fish in an aquatic ecosystem?

Which of the following Venn- diagram correctly illustrates the relationship among the classes: Carrot, Food, Vegetables

Which of the following are terrestrial habitat?

1. Desert
2. Mountain
3. Polar
4. Forest
5. Grassland

The muscles of the earthworm's body are connected with:

Phototropism is the response of parts of a plant towards a source of___ .