09 Apr 2022

Samacheer Kalvi 10th Science Unit 14 Answers

10th Science Book Back Answers Unit 14 – Transportation in Plants and Circulation in Animals:

Samacheer Kalvi 10th Standard Science Book Back Questions with Answers PDF uploaded and the same given below. Class-tenth candidates and those preparing for TNPSC exams can check the New Science Book Back Question and Answers PDF below.  Samacheer Kalvi Class 10th Std Science Book Back Answers Biology Unit 14 – Transportation In Plants And Circulation In Animals Solutions are available below. Complete solutions for all 23 Units’ book back questions with a solutions guide uploaded and available on our site. Check the complete Samacheer Kalvi 10th Science Unit 14 Answers below:

We also provide class 10th other units Science Book Back One and Two Mark Solutions Guide on our site. Students looking for a new syllabus 10th standard Science Biology Unit 14 Transportation in Plants and Circulation in Animals Book Back Questions with Answer PDF

For the complete Samacheer Kalvi 10th Science Book Back Solutions Guide PDF, check the link – Samacheer Kalvi 10th Science Book Back Answers




Samacheer Kalvi 10th Science Book Back Answers Biology Unit 14 – Transportation in Plants and Circulation in Animals:

Samacheer Kalvi 10th Science Book Subject One Mark, Two Mark Guide questions and answers are below. Check Science Book Back Questions with Answers. Take the printout and use it for exam purposes.

For Samacheer Kalvi 10th Science Book PDF, check the link – 10th Science Book PDF

10th Science – Biology

Unit 14 – Transportation In Plants And Circulation In Animals

I. Choose the best answer:

1. Active transport involves
a) Movement of molecules from lower to higher concentration
b) Expenditure of energy
c) It is an uphill task
d) All of the above
Ans: d) All of the above

2. Water that is absorbed by roots is transported to aerial parts of the plant through
a) Cortex b) Epidermis c) Phloem d) Xylem
Ans: d) Xylem

3. During transpiration there is a loss of
a) Carbon dioxide b) Oxygen c) Water d) None of the above
Ans: c) Water

4. Root hairs are
a) Cortical cell   b) Projection of epidermal cell
c) Unicellular    d) Both b and c
Ans : d) Both b and c

5. Which of the following process requires energy?
a) Active transport   b) Diffusion   c) Osmosis    d) All of them
Ans: a) Active transport

6. The wall of the human heart is made up of
a) Endocardium   b) Epicardium    c) Myocardium   d) All of the above
Ans: d) All of the above

7. Which is the sequence of correct blood flow
a) Ventricle – atrium – vein – arteries     b) Atrium – ventricle – veins – arteries
c) Atrium – ventricle – arteries – veins   d) Ventricles – vein – atrium – arteries
Ans: c) Atrium – Ventricle – Arteries – Vein

8. A patient with blood group O was injured in an accident and has blood loss. Which blood group the doctor should effectively use for transfusion in this condition?
a) O group   b) AB group   c) A or B group   d) All blood group
Ans: a) O group

9. ‘Heart of heart’ is called
a) SA node   b) AV node   c) Purkinje fibers   d) Bundle of His
Ans: a) SA node

10. Which one of the following regarding blood composition is correct
a) Plasma – Blood + Lymphocytes b) Serum – Blood + Fibrinogen
c) Lymph – Plasma + RBC + WBC d) Blood – Plasma + RBC + WBC + Platelets
Ans : d) Blood – Plasma + RBC + WBC + Platelets

II. Fill in the blanks

1. _________involves evaporative loss of water from aerial parts.   Ans: Transpiration

2. Water enters the root cell through a  ________plasma membranes. Ans: Semi-permeable

3. Structures in roots that help to absorb water are ______.  Ans: Root hairs

4. Normal blood pressure is ______. Ans : 120 mm / 80 mm Hg

5. The normal human heartbeat rate is about time _______per minute. Ans: 72 – 75




III. True or False (Correct the Statement if it is false):

Question 1.

1. Symplastic pathway (a) Leaf
2. Transpiration (b) Plasmodesmata
3. Osmosis (c) Pressure in xylem
4. Root Pressure (d) Pressure gradient

Answer:

  1. (b) Plasmodesmata
  2. (a) Leaf
  3. (d) Pressure gradient
  4. (b) Pressure in xylem.

Question 2.

1. Leukaemia (a) Thrombocytes
2. Platelets (b) Phagocyte
3. Monocytes (c) Decrease in leucocytes
4. Leucopenia (d) Blood Cancer
5. AB blood group (e) Allergic condition
6. O blood group (f) Inflammation
7. Eosinophil (g) Absence of antigen
8. Neutrophils (h) Absence of antibody

Answer:

  1. (d) Blood Cancer
  2. (a) Thrombocytes
  3. (b) Phagocyte
  4. (c) Decrease in leucocytes
  5. (h) Absence of antibody
  6. (g) Absence of antigen
  7. (e) Allergic condition
  8. (f) Inflammation.

III. True or False (Correct the Statement if it is false)

1. The phloem is responsible for the translocation of food. Ans: True.

2. Plants lose water by the process of transpiration. Ans: True.

3. The form of sugar transported through the phloem is glucose. Ans: False.
Corrected statement: The form of sugar transported through the phloem is Sucrose.

4. In apoplastic movement the water travels through the cell’s membrane and enters the cell. Ans: False.
Corrected statement: In symplastic movement, the water travels through the cell membrane and enters the cell.

5. When guard cells lose water the stoma opens. Ans: False.
Corrected statement: When the guard cells lose water the stoma closes.

6. Initiation and stimulation of heartbeat take place by nerves. Ans: False.
Corrected statement: Initiation and stimulation of heartbeat take place by Sinoatrial (SA) node.

7. All veins carry deoxygenated blood. Ans: False.
Corrected statement: All veins, except the pulmonary vein, carry deoxygenated blood.

8. WBC defends the body from bacterial and viral infection. Ans: True.

9. The closure of mitral and tricuspid valves at the start of the ventricular systole produces the first sound ‘ LUBB’.
Ans: True.

Other Important links for 10th Science Book Answers Solutions:

For the 10th Standard Science Unit 15 book back question and answers solutions PDF, check the link – Samacheer kalvi 10th Science Unit 15 – Nervous System

Click here for the complete Samacheer Kalvi 10th Science Book Back Solution Guide PDF – 10th Science Book Back Solutions




Leave a Reply

Your email address will not be published. Required fields are marked *