Ncert – class 9- science -Chapter 6 – Tissues 2 Welcome to your Ncert – class 9- science -Chapter 6 – Tissues 2 1. Helper T-lymphocytes are characterised to release ................. Histamine Cytokines Serotonin Pyrogenes None 2. Blood differs from the other connective tissues because Plasma of blood is not entirely secreted by blood cells All of the above Fibres are absent in the blood Blood corpuscles are not formed in the blood None 3. Eleidin proteins are found in the layer of mammalian skin, stratum Granulosum Lucidum Germinativum Corneum None 4. Which of following tissues do you expect to be the most important during droughts and why? Ground tissue because water can be stored in sclerenchyma for use during drought Vascular tissue because phloem regulates water supply to the plant All of the above Epidermal tissue because it is covered with a waxy cuticle and also bears drought responsive stomata None 5. Which of the following sclereids are the characteristic of intercellular spaces of Nymphaea? Brachysclereids Macrosclereids Osteosclereids Astrosclereids None 6. Tissue which connects skin with underlying muscle is made up of: Epithelial tissue Adipose tissue Blood Areolar connective tissue None 7. A man was infested with germs and was taken to the hospital. On pathological tests, it was found that he had a. A low number of RBCb. A high number of WBC and a low number of RBCc. A low number of WBCd. A high number of platelets Which of the following alternative is correct? c only d only a and d b only None 8. Which one of the following muscles is responsible for moving and shaking the skin? Collagen fibres Sphincter muscles Panniculus carnosus Arrector pilli None 9. Which is the correct match? Dendrite - Accepts signal / stimulus Axon - Smallest part of neuron Synaptic knob - Present at the end of dendron Dendrite - Sends signal / stimulus None 10. Nissl granules are found in cyton of nerve cells. These have affinity for basic dyes. The granules are made up of Ribosomes Fat granules Cell metabolites Mitochondria None 11. The type of connective tissue that is associated with the umbilical cord is Areolar connective tissue Reticular connective tissue Adipose connective tissue Jelly-like connective tissue None 12. A mature human erythrocyte has the typical characteristic of A prokaryotic cell Both eukaryotic and prokaryotic cell Neither eukaryotic nor prokaryotic cell A eukaryotic cell None 13. Match the column (A) with the column (B). Column AColumn BA) Fluid connective tissue 1)Subcutaneous layerB)Filling of space inside the organs2)CartilageC) Striated muscle 3) Skeletal muscleD)Adipose tissue4) Areolar tissueE)Surface of joints5) bloodF) Stratified squamous epithelium6) Skin A- 5, B- 6, C- 3, D- 1, E- 2, F- 4 A- 5, B- 4, C- 3, D- 1, E- 6, F- 2 A- 5, B- 4, C- 1, D- 3, E- 2, F- 6 A- 5, B- 4, C- 3, D- 1, E- 2, F- 6 None 14. In grasses, certain adaxial epidermal cells along the veins modify themselves into large empty, colourless cells. These cells are called Guard cells Companion cells Bulliform cells Subsidiary cells None 15. Bulliform cells are: Sclerenchymal cells Collenchymal cells Water filled and highly vacuolated epidermal cells Ball-like parenchymatous cells None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
