Ncert – class 9- science -Chapter 6 – Tissues 2 Welcome to your Ncert – class 9- science -Chapter 6 – Tissues 2 1. Which one of the following muscles is responsible for moving and shaking the skin? Panniculus carnosus Sphincter muscles Collagen fibres Arrector pilli None 2. Which is the correct match? Synaptic knob - Present at the end of dendron Dendrite - Accepts signal / stimulus Dendrite - Sends signal / stimulus Axon - Smallest part of neuron None 3. Nissl granules are found in cyton of nerve cells. These have affinity for basic dyes. The granules are made up of Mitochondria Fat granules Cell metabolites Ribosomes None 4. Tissue which connects skin with underlying muscle is made up of: Adipose tissue Blood Epithelial tissue Areolar connective tissue None 5. 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 6. A mature human erythrocyte has the typical characteristic of Both eukaryotic and prokaryotic cell Neither eukaryotic nor prokaryotic cell A eukaryotic cell A prokaryotic cell None 7. 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- 2, F- 6 A- 5, B- 4, C- 1, D- 3, E- 2, F- 6 A- 5, B- 4, C- 3, D- 1, E- 6, F- 2 None 8. Blood differs from the other connective tissues because Plasma of blood is not entirely secreted by blood cells Fibres are absent in the blood Blood corpuscles are not formed in the blood All of the above None 9. In grasses, certain adaxial epidermal cells along the veins modify themselves into large empty, colourless cells. These cells are called Bulliform cells Subsidiary cells Companion cells Guard cells None 10. Helper T-lymphocytes are characterised to release ................. Pyrogenes Histamine Serotonin Cytokines None 11. The type of connective tissue that is associated with the umbilical cord is Areolar connective tissue Adipose connective tissue Reticular connective tissue Jelly-like connective tissue None 12. Bulliform cells are: Water filled and highly vacuolated epidermal cells Collenchymal cells Sclerenchymal cells Ball-like parenchymatous cells None 13. Eleidin proteins are found in the layer of mammalian skin, stratum Lucidum Corneum Granulosum Germinativum None 14. 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? b only a and d d only c only None 15. Which of the following sclereids are the characteristic of intercellular spaces of Nymphaea? Brachysclereids Macrosclereids Osteosclereids Astrosclereids 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.
