Question

Q1. Which of the following is the correct equation for the summary of

photosynthesis



a. 6CO2 + 12H2O C6H12O6 +6O2 +6H2O

b. 6CO2 + H2O + sunlight C6H12O6 +O2 +6H2O

c. 6CO2 +12H2O +chlorophyll+ sunlight C6H12O6 +6O2 +6H2O

d. 6CO2 +12H2O chlorophyll+ sunlight C6H12O6 +6O2 +6H2O

Q2. Products of anaerobic respiration in muscles are

a. Lactic acid and energy

b. Lactic acid ,carbon dioxide and energy

c. Lactic acid ,water ,carbon dioxide and energy

d. Lactic acid , water , and energy

Q3. Which of the following statements are true about respiration

a. During inhalation , ribs move inward and diaphragm is raised

b. In alveoli exchange of gases takes place Ie oxygen from blood into alveolar

air l

c. Haemoglobin has greater affinity for carbon dioxide than oxygen

d. Alveoli increase the surface area for absorption of gases

i. a & d ii. b & c iii. a & c iv. b & d

Q4. The main function of the urinary bladder is to

a. control the pressure of urine in the urinary bladder

b. take the urine from the kidney to the urinary bladder

c. filter blood and remove the urine

d. connect the parts of the excretory system

(B) Assertion and Reasoning

Direction : in the following questions , a statement of assertion (A) is

followed by a statement of reason (R) . Mark the correct choice as :

a. Both assertion (A) and reason (R) are true and reason (R) is the correct

explanation of assertion (A)​

Answer 1

Answer:

c,a,b,a is the answer I hope it helps you