| 2023-07-15 | The lining of the stomach and intestine is made up of
a. Squamous epithelial cell
b. Cuboidal ep... | 4:01 | 1 | |
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| 2023-07-15 | Most abundant animal tissue in the human body
a. Epithelial tissue
b. Connective tissue
c. Muscu... | 2:43 | 2 | |
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| 2023-07-15 | The cork cells are impervious to water and gases because of the deposition of
a. Pectin
b. Ligni... | 1:55 | 0 | |
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| 2023-07-15 | Stomata are a. Epidermal cell b. Primary meristematic cell c. Endodermal cell d. Pericycle cell | 2:19 | 4 | |
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| 2023-07-15 | Type of meristematic tissue present in nodes and internodes is
a. Apical meristem
b. Intercalary... | 4:10 | 1 | |
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| 2023-07-15 | From the following, identify simple permanent tissue a. Xylem b. Phloem c. Parenchyma d. Epidermis | 2:54 | 0 | |
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| 2023-07-15 | Name a simple permanent tissue which is dead and provide mechanical support
a. Parenchyma
b. Scl... | 3:24 | 0 | |
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| 2023-07-15 | Which tissue originates first during the development of an embryo?
a. Nervous
b. Epithelial
c. M... | 2:54 | 5 | |
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| 2023-07-15 | On the basis of nucleus and nature of cytoplasm, leucocytes are of two types. They are;
a. Throm... | 3:46 | 3 | |
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| 2023-07-15 | Which of the following contains contractile proteins? a. Cartilage b. Muscles c. Bones d. Blood | 2:35 | 2 | |
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| 2023-07-15 | All the xylem elements are dead except a. Xylem fibre b. Xylem parenchyma c. Tracheid d. Vessels | 2:38 | 0 | |
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| 2023-07-15 | Plant tissue which is directly derived from meristematic cell is
a. Secondary meristem
b. Primar... | 2:51 | 0 | |
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| 2023-07-15 | Give reasons for the following:
(i) Meristematic cells have a prominent nucleus and dense cytopl... | 6:02 | 1 | |
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| 2023-07-15 | The thickness of plant organs is due to
a. Intercalary meristem
b. Lateral meristem
c. Apical me... | 3:29 | 0 | |
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| 2023-07-15 | The cell wall of sclerenchyma contains a high percentage of
a. Cellulose
b. Chitin
c. Pectin
d. ... | 2:30 | 0 | |
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| 2023-07-15 | Write a short note on muscular tissue. | 4:30 | 0 | |
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| 2023-07-15 | Write the difference between bone and cartilage? | 3:58 | 0 | |
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| 2023-07-15 | Write a note on meristematic tissue. | 2:58 | 1 | |
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| 2023-07-15 | Write the composition of blood? | 2:05 | 3 | |
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| 2023-07-15 | List the function of nervous tissue? | 3:40 | 1 | |
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| 2023-07-15 | What is the function of skeletal tissue? | 2:39 | 0 | |
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| 2023-07-15 | Define the smooth muscles? Write two characteristics of smooth muscles. | 3:08 | 0 | |
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| 2023-07-15 | List any four salient features of meristematic tissue. | 3:16 | 2 | |
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| 2023-07-15 | What is the main function of epithelial cells? | 2:16 | 0 | |
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| 2023-07-15 | What is a neuron or nerve cell? Where are they found in body? | 2:27 | 0 | |
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| 2023-07-15 | What is the main function of phloem? | 2:44 | 0 | |
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| 2023-07-15 | List any two functions of the adipose tissue. | 1:50 | 0 | |
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| 2023-07-15 | Name the water conducting tissue generally present in gymnosperms. | 2:42 | 0 | |
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| 2023-07-15 | How are oxygen, food, hormone and waste material transported in the body? | 2:37 | 3 | |
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| 2023-07-15 | Which structure protects the plant body against the invasion of parasites? | 1:52 | 0 | |
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| 2023-07-15 | What are the types of epithelium tissue? | 4:14 | 0 | |
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| 2023-07-15 | Excitability, contractibility, and flexibility are the characteristics of which tissue? | 3:21 | 0 | |
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| 2023-07-15 | In desert plants, how does the rate of loss of water get reduced? | 2:18 | 2 | |
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| 2023-07-15 | Packing, binding, and insulation of the body is the function of which tissue? | 2:28 | 0 | |
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| 2023-07-15 | Which cells are functionally associated with the sieve tube element of the phloem? | 3:44 | 1 | |
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| 2023-07-15 | Phloem parenchyma and fibres are absent in which plants? | 2:06 | 0 | |
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| 2023-07-15 | Why corners of collenchyma are thick? | 3:49 | 3 | |
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| 2023-07-15 | Secondary meristem is originated from which tissue? | 3:42 | 0 | |
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| 2023-07-15 | Match the following columns:
Column I
1. Xylem
2. Phloem
3. Parenchyma
4. Sclereids
a. 1-C, 2-A,... | 5:16 | 1 | |
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| 2023-07-15 | What is chlorenchyma? Key \( { }^{\prime} \) | 2:00 | 10 | |
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| 2023-07-15 | Define agranulocytes Key \( ? \) | 3:47 | 0 | |
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| 2023-07-15 | What is meristem? Key concept - | 2:52 | 1 | |
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| 2023-07-15 | Match the following columns:
Column I
1. Neutrophils
2. Lymphocytes
3. Platelets
4. Spleen
a. 1-... | 5:00 | 0 | |
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| 2023-07-15 | Match the following with the correct response.
Column I
1. Tendon
2. Glands
3. Blood
4. Adipose ... | 5:39 | 3 | |
|
| 2023-07-15 | Match the following with the correct response.
Column I
1. Cardiac muscles
2. Voluntary muscles
... | 4:40 | 1 | |
|
| 2023-07-15 | Match the following with the correct response.
Column I
1. Collenchyma
2. Sclerenchyma
3. Epider... | 5:38 | 2 | |
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| 2023-07-15 | What is the chemical nature of carrier molecules that facilitates the transport of substances ac... | 3:14 | 2 | |
|
| 2023-07-15 | Direction \( \quad: \) In the following Questions, the Assertion and Reason have been put forwar... | 2:29 | 0 | |
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| 2023-07-15 | Which of the following carry hereditary characters to the offspring in the organism?
a. Ribosome... | 2:00 | 0 | |
|
| 2023-07-15 | The main function of Golgi body is:-
a. Phosphorylation
b. Translocation
c. Glycosylation
d. Fer... | 2:11 | 1 | |
|
| 2023-07-15 | Out of the following which substances are not stored in vacuoles?
a. Amino acids
b. Proteins
c. ... | 2:05 | 4 | |
|
| 2023-07-15 | \( 1 \mu \mathrm{m} \) is equal to
a. \( 10^{-6} \mathrm{~m} \)
b. \( 10^{-9} \mathrm{~m} \)
c. ... | 1:27 | 2 | |
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| 2023-07-15 | Who coined the term mitochondria? a. Altman b. Benda c. De duve d. Camillo golgi | 1:42 | 1 | |
|
| 2023-07-15 | A poorly developed zone in the centre of a cell that has DNA molecule is called as:
a. Nucleolus... | 3:46 | 0 | |
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| 2023-07-15 | Cell wall of which organism is not composed of cellulose?
a. Bacteria
b. Hydrilla
c. Banyan tree... | 1:55 | 1 | |
|
| 2023-07-15 | Which organelle is not visible when student observes a human cheek cell under a microscope?
a. N... | 3:06 | 0 | |
|
| 2023-07-15 | Ribosomes are made up of :- a. DNA + Protein b. RNA + Protein c. RNA + Lipid d. RNA + Phosphate | 1:50 | 1 | |
|
| 2023-07-15 | The function of glyoxysomes is:-
a. Protein metabolism
b. Fat metabolism
c. Carbohydrate metabol... | 2:03 | 4 | |
|
| 2023-07-15 | Grana and stroma are the parts of which cell organelles?
a. Mitochondria
b. Chloroplast
c. Ribos... | 4:43 | 0 | |
|
| 2023-07-15 | Lysosomes are filled with
a. Hydrolytic enzymes
b. Glycolytic enzymes
c. Digestive enzymes
d. Bo... | 2:35 | 0 | |
|
| 2023-07-15 | The most abundant lipid in cell membrane is:- a. Cutin b. Cholesterol c. Steroid d. Phospholipid | 2:09 | 1 | |
|
| 2023-07-15 | Cell wall is
a. Dead and impermeable
b. Dead and permeable
c. Living and impermeable
d. Living a... | 2:23 | 2 | |
|
| 2023-07-15 | Write three differences between plasma membrane and the cell wall. Also, write two functions of ... | 3:39 | 1 | |
|
| 2023-07-15 | Which element mainly occurs in middle lamella? a. Calcium b. Magnesium c. Sodium d. Potassium | 2:59 | 1 | |
|
| 2023-07-15 | Write two differences between smooth endoplasmic reticulum and rough endoplasmic reticulum? | 2:51 | 1 | |
|
| 2023-07-15 | Describe the structure of mitochondria. Also state two important functions. | 3:10 | 0 | |
|
| 2023-07-15 | How a bacterial cell is different from an onion peel cell? | 3:29 | 0 | |
|
| 2023-07-15 | State any two function of nucleus. | 2:29 | 0 | |
|
| 2023-07-15 | Write the name of different plant parts in which chromoplast, chloroplast and leucoplast are pre... | 2:36 | 2 | |
|
| 2023-07-15 | Why is Golgi apparatus called the secretory organelle of the cell? | 2:14 | 0 | |
|
| 2023-07-15 | What is cell sap? Give its composition. | 2:00 | 0 | |
|
| 2023-07-15 | What is the energy currency of the cell? | 2:04 | 0 | |
|
| 2023-07-15 | How meiosis is different from mitosis? | 3:57 | 0 | |
|
| 2023-07-15 | Explain the term endocytosis. k | 2:21 | 0 | |
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| 2023-07-15 | Name the only cell organelle seen in prokaryotic cell. | 2:29 | 0 | |
|
| 2023-07-15 | Explain why the presence of vacuole is important in plants? | 2:49 | 1 | |
|
| 2023-07-15 | Mention the types of chromosomes based on the position of centromere. | 4:05 | 0 | |
|
| 2023-07-15 | What do we understand by the term semiautonomous organelle? | 1:51 | 0 | |
|
| 2023-07-15 | What is the significance of meiosis? | 2:30 | 1 | |
|
| 2023-07-15 | Name the organelle involved in the formation of lysosomes? | 1:51 | 1 | |
|
| 2023-07-15 | What is the intracellular source of digestive enzyme? | 2:59 | 2 | |
|
| 2023-07-15 | Where are genes located? \( k \) | 1:36 | 0 | |
|
| 2023-07-15 | Name the scientist involved in the discovery of golgi apparatus. | 2:31 | 2 | |
|
| 2023-07-15 | Give one example each of an unicellular and a multicellular organism. | 2:13 | 0 | |
|
| 2023-07-15 | Cell wall is made up of which component? | 2:32 | 0 | |
|
| 2023-07-15 | What are the two components of plasma membrane? | 2:36 | 1 | |
|
| 2023-07-15 | Match the organelles given in column I with their function given in column II.
Column I Column I... | 4:38 | 0 | |
|
| 2023-07-15 | Match the column I with column II.
Column I Column II
(1) Nucleus
(A) Absence of membrane
(2) Ri... | 2:54 | 2 | |
|
| 2023-07-15 | State true or false:
Endoplasmic reticulum consists of a network of membranous tubules and helps... | 3:36 | 4 | Let's Play |
|
| 2023-07-15 | State true or false:
Rough endoplasmic reticulum is associated with the production and secretion... | 2:45 | 1 | |
|
| 2023-07-15 | State true or false: All plastids have pigments. | 2:30 | 0 | |
|
| 2023-07-15 | State true or false: Ribosomes are present on the surface of smooth endoplasmic reticulum. | 2:39 | 1 | |
|
| 2023-07-15 | State true or false: Both chloroplast and mitochondria contain DNA. | 2:39 | 1 | |
|
| 2023-07-15 | State true or false: Lysosomes are filled with oxidising enzymes. | 2:17 | 0 | |
|
| 2023-07-15 | State true or false: Cell wall of fungi is made up of cellulose. | 1:44 | 3 | |
|
| 2023-07-15 | State true or false: Ribosomes are membrane bound organelles. | 1:41 | 1 | |
|
| 2023-07-15 | State true or false: DNA is the chemical basis of life. | 2:29 | 0 | |
|
| 2023-07-15 | State true or false: Bacteria contain mitochondria. | 2:07 | 1 | |
|
| 2023-07-15 | State true or false: The cell wall is fully permeable. | 2:30 | 0 | |
|
| 2023-07-15 | Fill in the blanks:
Specific cells of reproductive organs or tissues in animals and plants are d... | 3:30 | 5 | |
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