CAREER POINT
PRE-FOUNDATION COURSE
CLASS-6 & 7
SUMMER WORKSHOP
Daily Practice Problem Sheet
Subject : Biology DPPS. NO. – 01 .
Topic : Cell
Q.1 Among Amoeba, hen, octopus, Paramecium and bacteria, the unicellular organisms are
(A) Amoeba, octopus (B) hen, octopus, bacteria
(C) Amoeba, Paramecium, bacteria (D) Paramecium, hen
Q.2 The term cell was coined by Robert Hooke, when he was examining under the microscope the slice of
(A) cork (B) egg (C) leaf (D) onion
Q.3 Smallest cell in size observed in bacteria is
(A) Bacillus (B) Cynobacterial (C) Mycoplasmas (D) Acetobacter
Q.4 Plasma membrane and rigid outer layer cell wall both give
(A) shape to the cell (B) colour to the cell (C) length to the cell (D) function to the cell
Q.5 Match the following :
(i) Protoplasm (A) cell control unit (ii) Nucleus (B) Condensed chromatin (iii) Organelles (C) Liquid substance
(iv) Chromosomes (D) Smaller components of cell
(A) (i)-(A); (ii)-(D); (iii)-(C); (iv)-(B) (B) (i)-(B); (ii)-(A); (iii)-(C); (iv)-(D) (C) (i)-(C); (ii)-(D); (iii)-(B); (iv)-(A) (D) (i)-(C); (ii)-(A); (iii)-(D); (iv)-(B)
Q.6 The semi-fluid gel present in the nucleus is
(A) protoplasm (B) nucleoplasm (C) cytoplasm (D) protein solution
Q.7 The largest cell in human body –
(A) nerve cells (B) muscle cells (C) red blood cells (D) epithelial cells
Q.8 Select the false statement from the given (A) The outermost layer in plant cells is cell wall (B) Activities of the cell is controlled by nucleus
(A) at periphery (B) in the center (C) in between the center and periphery (D) near the nucleus
Q.12 The function of mitochondria in cells is
(A) to give colour (B) photosynthesis (C) to release energy (D) to give shape
Q.13 The jelly like substance present between the nucleus and cell membrane is called
(A) protoplasm (B) cytoplasm (C) gel (D) nucleoplasm
Q.14 The centrally located part of the cell is
(A) golgi apparatus (B) mitochondria (C) lysosomes (D) nucleus
Q.15 The cell wall in plants is
(A) living (B) Dead
(C) semi living (D) initially living then becomes non-living
Q.16 The part of the cell that controls all activities of the cell is the
(A) nucleus (B) mitochondria (C) chromosomes (D) lysosomes
Q.17 The cell organelle also known as digestive bag or suicidal bag is
(A) ribosome (B) chromosome (C) lysosome (D) stomata
Q.18 The cells that are branched in human beings are
(A) nerve cells (B) muscle cells (C) red blood cells (D) epithelial cells
Q.19 The largest organelle present in the plant cell is
(A) mitochondria (B) plastid (C) vacuole (D) nucleus
Q.20 Which of the organelle has double membrane
CAREER POINT
PRE-FOUNDATION COURSE
CLASS-6 & 7
SUMMER WORKSHOP
Daily Practice Problem Sheet
Subject : Biology DPPS. NO. – 02 .
Topic : Nutrition
Q.1 Match the given terms in list I with their definitions in list II:I. Nutrition A. Organism deriving its food from dead and decaying plants and animals. II. Parasite B. Association of two different organisms in which both are benefitted. III.Saprophyte C. Process of obtaining and utilising food.
IV. Symbiosis D. Organism that derives its food from the living body of another organism. (A) I-B, II-C, III-D, IV-A (B) I-C, II-D, III-A, IV-B
(C) I-D, II-A, III-B, IV-C (D) I-A, II-B, III-C, IV-D
Q.2 The undigested, semisolid food is collected in
(A) anus (B) intestine (C) rectum (D) villi
Q.3 In our mouth, there are
(A) 1 pair of salivary glands (B) 2 pairs of salivary glands (C) 3 pairs of salivary glands (D) 4 pairs of salivary glands
Q.4 Digestion of food takes place in
(A) mouth, small intestine (B) mouth, large intestine
(C) mouth, anus (D) mouth, rectum
Q.5 The function of hydrochloric acid in the stomach is to
(A) digest carbohydrates (B) clean the stomach
(C) kill the germs (D) break down proteins
Q.6 Bile is secreted by the
(A) stomach (B) small intestine (C) pancreas (D) liver
Q.7 The length of small intestine is about
(A) 6m - 7m (B) 7m - 8m (C) 8m - 9m (D) 9m - 10m
Q.12 Oesophagus is another name of
(A) stomach (B) wind pipe (C) food pipe (D) gall bladder
Q.13 Which one of the following is true?
(A) Canines are well developed in carnivores (B) Canines are well developed in herbivores (C) Canines are poorly developed in carnivores (D) Molars are well developed in carnivores
Q.14 The walls of the large intestine absorb
(A) water (B) digested food (C) undigested food (D) cellulose
Q.15 Hetrotrophs are organisms, which
(A) feed on dead and decaying organisms
(B) draw nutrition from the living tissues of other organisms (C) depend on other sources for food
(D) manufacture their own food
Q.16 The hardest substance and hardest tissue of our body are respectively
(A) dentine and cartilage (B) enamel and bone
(C) pulp and bone (D) gum and cartilage
Q.17 The organ which does not secrete any enzymes for the digestion of food is
(A) pancreas (B) stomach (C) kidneys (D) small intestine
Q.18 Food moves in the alimentary canal from one region to another by a process called
(A) locomotion (B) pumping (C) peristalsis (D) diastole
Q.19 The structure which increases the surface area in small intestine is
(A) villi (B) pseudopodia (C) tentacles (D) alveoli
Q.20 Various steps of human nutrition are in the following order
(A) ingestion, egestion, digestion, absorption and assimilation (B) ingestion, egestion, assimilation, absorption and assimilation (C) ingestion, assimilation, digestion, absorption and egestion (D) ingestion, digestion, absorption, assimilation and egestion
CAREER POINT
PRE-FOUNDATION COURSE
CLASS-6 & 7
SUMMER WORKSHOP
Daily Practice Problem Sheet
Subject : Biology DPPS. NO. – 03 .
Topic : Transportation
Q.1 The movement of oxygenated blood from the left auricle to left ventricle and then through the aorta to all parts of the body is called
(A) extracellular circulation (B) pulmonary circulation (C) systemic circulation (D) intracellular circulation
Q.2 Pulmonary artery carries impure blood i.e., the blood rich in carbon-dioxide from the
(A) lungs (B) heart (C) body parts (D) tissues
Q.3 Valves that direct the flow of blood only in one direction are present in
(A) arteries (B) veins (C) capillaries (D) arteries, veins and capillaries
Q.4 Transport of waste material, food and oxygen, within the body of lower animals like Hydra and sponges is carried out by
(A) blood (B) water (C) air (D) haemoglobin
Q.5 Flow of blood within the body is called
(A) heart beat (B) blood circulation (C) blood diffusion (D) blood flow
Q.6 Match the components of column A with their correct counter part in column B:
Column A Column B
A. Haemoglobin (i) absorption of water B. Atria (ii) contains water and salt C. Root hairs (iii) RBC
D. Sweat (iv) heart
(A) A-(iii), B-(iv), C-(ii), D-(i) (B) A-(i), B-(iv), C-(ii), D-(iii) (C) A-(iii), B-(iv), C-(i), D-(ii) (D) A-(ii), B-(iii), C-(iv), D-(i)
Q.7 During an injury, blood starts flowing out of a cut or wound. After sometime, a clot is formed on wound by
Q.13 Double blood circulation occurs in
(A) reptiles (B) fishes (C) mammals (D) amphibians
Q.14 Arteries and veins are joined by a network of
(A) valves (B) muscles (C) capillaries (D) platelets
Q.15 The average pulse rate of a human being is
(A) 70 beats per minute (B) 72 beats per minutes (C) 82 beats per minutes (D) 92 beats per minute
Q.16 The lower chambers of human-heart are called
(A) atria (B) ventricles (C) arteries (D) veins.
Q.17 Pulse rate can be measured by feeling a person’s
(A) nerve (B) artery (C) capillary (D) vein
Q.18 The fluid part of blood is called
(A) RBC (B) WBC (C) haemoglobin (D) plasma
Q.19 Pulmonary vein carries
(A) oxygen rich blood (B) carbon rich blood
(C) carbon dioxide rich blood (D) food rich blood.
Q.20 With respect to the size, the largest cells present in the blood are
